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102007270944 = 253535936541
BaseRepresentation
bin101111100000000011…
…0110110111000100000
3100202022001200021100000
41133000012312320200
53132402330132234
6114510025500000
710240556332245
oct1370006667040
9322261607300
10102007270944
113a296499507
121792a041600
139808631427
144d1988d5cc
1529c0586899
hex17c01b6e20

102007270944 has 144 divisors (see below), whose sum is σ = 301673211840. Its totient is φ = 33906781440.

The previous prime is 102007270903. The next prime is 102007270961. The reversal of 102007270944 is 449072700201.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1020072709442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102007270899 and 102007270908.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2773314 + ... + 2809854.

It is an arithmetic number, because the mean of its divisors is an integer number (2094952860).

Almost surely, 2102007270944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102007270944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150836605920).

102007270944 is an abundant number, since it is smaller than the sum of its proper divisors (199665940896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102007270944 is an equidigital number, since it uses as much as digits as its factorization.

102007270944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36925 (or 36905 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 102007270944 in words is "one hundred two billion, seven million, two hundred seventy thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 359 432 486 648 718 864 972 1077 1296 1436 1944 2154 2592 2872 3231 3888 4308 5744 6462 7776 8616 9693 11488 12924 17232 19386 25848 29079 34464 36541 38772 51696 58158 73082 77544 87237 103392 109623 116316 146164 155088 174474 219246 232632 292328 310176 328869 348948 438492 465264 584656 657738 697896 876984 930528 986607 1169312 1315476 1395792 1753968 1973214 2630952 2791584 2959821 3507936 3946428 5261904 5919642 7892856 8879463 10523808 11839284 13118219 15785712 17758926 23678568 26236438 31571424 35517852 39354657 47357136 52472876 71035704 78709314 94714272 104945752 118063971 142071408 157418628 209891504 236127942 284142816 314837256 354191913 419783008 472255884 629674512 708383826 944511768 1062575739 1259349024 1416767652 1889023536 2125151478 2833535304 3187727217 3778047072 4250302956 5667070608 6375454434 8500605912 11334141216 12750908868 17001211824 25501817736 34002423648 51003635472 102007270944