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101505752240 = 2452295540707
BaseRepresentation
bin101111010001000110…
…1101101110010110000
3100201000002222111000012
41132202031231302300
53130340433032430
6114344152314052
710222256441504
oct1364215556260
9321002874005
10101505752240
113a059395042
121780a0a2928
139758766cb9
144cad020304
15299151d695
hex17a236dcb0

101505752240 has 40 divisors (see below), whose sum is σ = 237031488240. Its totient is φ = 40424990976.

The previous prime is 101505752167. The next prime is 101505752287. The reversal of 101505752240 is 42257505101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 101505752197 and 101505752206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752034 + ... + 2788673.

It is an arithmetic number, because the mean of its divisors is an integer number (5925787206).

Almost surely, 2101505752240 is an apocalyptic number.

101505752240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101505752240 is an abundant number, since it is smaller than the sum of its proper divisors (135525736000).

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

101505752240 is a wasteful number, since it uses less digits than its factorization.

101505752240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540949 (or 5540943 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 101505752240 in words is "one hundred one billion, five hundred five million, seven hundred fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 229 458 916 1145 1832 2290 3664 4580 9160 18320 5540707 11081414 22162828 27703535 44325656 55407070 88651312 110814140 221628280 443256560 1268821903 2537643806 5075287612 6344109515 10150575224 12688219030 20301150448 25376438060 50752876120 101505752240