Search a number
-
+
10657621740 = 2235199348791
BaseRepresentation
bin10011110110011111…
…00110011011101100
31000111202012021120010
421323033212123230
5133311322343430
64521313453220
7525051201333
oct117317463354
930452167503
1010657621740
114579a49a57
122095271210
13100b00c66c
14731628d1a
154259adcb0
hex27b3e66ec

10657621740 has 48 divisors (see below), whose sum is σ = 31411941120. Its totient is φ = 2692451520.

The previous prime is 10657621729. The next prime is 10657621753. The reversal of 10657621740 is 4712675601.

It is a super-2 number, since 2×106576217402 (a number of 21 digits) contains 22 as substring.

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, 4673256 + ... + 4675535.

It is an arithmetic number, because the mean of its divisors is an integer number (654415440).

Almost surely, 210657621740 is an apocalyptic number.

10657621740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10657621740 is an abundant number, since it is smaller than the sum of its proper divisors (20754319380).

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

10657621740 is a wasteful number, since it uses less digits than its factorization.

10657621740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348822 (or 9348820 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 10657621740 in words is "ten billion, six hundred fifty-seven million, six hundred twenty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 9348791 18697582 28046373 37395164 46743955 56092746 93487910 112185492 140231865 177627029 186975820 280463730 355254058 532881087 560927460 710508116 888135145 1065762174 1776270290 2131524348 2664405435 3552540580 5328810870 10657621740