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10749371640 = 2335712796871
BaseRepresentation
bin10100000001011011…
…00110010011111000
31000202010211122202120
422000231212103320
5134003314343030
64534352201240
7530244102630
oct120055462370
930663748676
1010749371640
114616816017
1220bbb39220
131024024c47
1473d8ad6c0
1542da84010
hex280b664f8

10749371640 has 64 divisors (see below), whose sum is σ = 36854991360. Its totient is φ = 2456999040.

The previous prime is 10749371603. The next prime is 10749371729. The reversal of 10749371640 is 4617394701.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 10749371592 and 10749371601.

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, 6397596 + ... + 6399275.

It is an arithmetic number, because the mean of its divisors is an integer number (575859240).

Almost surely, 210749371640 is an apocalyptic number.

10749371640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10749371640 is an abundant number, since it is smaller than the sum of its proper divisors (26105619720).

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

10749371640 is a wasteful number, since it uses less digits than its factorization.

10749371640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796892 (or 12796888 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 10749371640 in words is "ten billion, seven hundred forty-nine million, three hundred seventy-one thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 12796871 25593742 38390613 51187484 63984355 76781226 89578097 102374968 127968710 153562452 179156194 191953065 255937420 268734291 307124904 358312388 383906130 447890485 511874840 537468582 716624776 767812260 895780970 1074937164 1343671455 1535624520 1791561940 2149874328 2687342910 3583123880 5374685820 10749371640