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130861415040 = 2735409166643
BaseRepresentation
bin111100111011111110…
…0101011101010000000
3110111202221211122220120
41321313330223222000
54121001010240130
6140041130140240
712311603450316
oct1716774535200
9414687748816
10130861415040
1150552947a94
1221441281680
13c4564ab785
146495a600b6
15360d7bc910
hex1e77f2ba80

130861415040 has 128 divisors (see below), whose sum is σ = 418143124800. Its totient is φ = 34810847232.

The previous prime is 130861415029. The next prime is 130861415057. The reversal of 130861415040 is 40514168031.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1308614150402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130861414992 and 130861415010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701959 + ... + 868601.

Almost surely, 2130861415040 is an apocalyptic number.

130861415040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130861415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209071562400).

130861415040 is an abundant number, since it is smaller than the sum of its proper divisors (287281709760).

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

130861415040 is a wasteful number, since it uses less digits than its factorization.

130861415040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167074 (or 167062 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 130861415040 in words is "one hundred thirty billion, eight hundred sixty-one million, four hundred fifteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 409 480 640 818 960 1227 1636 1920 2045 2454 3272 4090 4908 6135 6544 8180 9816 12270 13088 16360 19632 24540 26176 32720 39264 49080 52352 65440 78528 98160 130880 157056 166643 196320 261760 333286 392640 499929 666572 785280 833215 999858 1333144 1666430 1999716 2499645 2666288 3332860 3999432 4999290 5332576 6665720 7998864 9998580 10665152 13331440 15997728 19997160 21330304 26662880 31995456 39994320 53325760 63990912 68156987 79988640 106651520 136313974 159977280 204470961 272627948 319954560 340784935 408941922 545255896 681569870 817883844 1022354805 1090511792 1363139740 1635767688 2044709610 2181023584 2726279480 3271535376 4089419220 4362047168 5452558960 6543070752 8178838440 8724094336 10905117920 13086141504 16357676880 21810235840 26172283008 32715353760 43620471680 65430707520 130861415040