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10105532240 = 2457112714009
BaseRepresentation
bin10010110100101011…
…00010111101010000
3222002021100020010212
421122111202331100
5131144004012430
64350432343252
7505265415056
oct113225427520
928067306125
1010105532240
114316344a41
121b603a4b28
13c5081a09b
146bc1941d6
153e22a6b95
hex25a562f50

10105532240 has 80 divisors (see below), whose sum is σ = 24015605760. Its totient is φ = 3953617920.

The previous prime is 10105532219. The next prime is 10105532273. The reversal of 10105532240 is 4223550101.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 714356 + ... + 728364.

It is an arithmetic number, because the mean of its divisors is an integer number (300195072).

Almost surely, 210105532240 is an apocalyptic number.

10105532240 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 10105532240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12007802880).

10105532240 is an abundant number, since it is smaller than the sum of its proper divisors (13910073520).

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

10105532240 is a wasteful number, since it uses less digits than its factorization.

10105532240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 10105532240 in words is "ten billion, one hundred five million, five hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 71 80 127 142 254 284 355 508 568 635 710 1016 1136 1270 1420 2032 2540 2840 5080 5680 9017 10160 14009 18034 28018 36068 45085 56036 70045 72136 90170 112072 140090 144272 180340 224144 280180 360680 560360 721360 994639 1120720 1779143 1989278 3558286 3978556 4973195 7116572 7957112 8895715 9946390 14233144 15914224 17791430 19892780 28466288 35582860 39785560 71165720 79571120 126319153 142331440 252638306 505276612 631595765 1010553224 1263191530 2021106448 2526383060 5052766120 10105532240