Search a number
-
+
51074660336 = 2472915724957
BaseRepresentation
bin101111100100010010…
…010111011111110000
311212211110222120110112
4233210102113133300
51314100103112321
635244031120452
73455451310160
oct574422273760
9155743876415
1051074660336
111a72a350297
129a94973128
134a7c5baa0b
1426873545a0
1514dddc2a5b
hexbe44977f0

51074660336 has 40 divisors (see below), whose sum is σ = 116993687520. Its totient is φ = 21134340864.

The previous prime is 51074660281. The next prime is 51074660339. The reversal of 51074660336 is 63306647015.

It is a junction number, because it is equal to n+sod(n) for n = 51074660293 and 51074660302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51074660339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7859231 + ... + 7865726.

It is an arithmetic number, because the mean of its divisors is an integer number (2924842188).

Almost surely, 251074660336 is an apocalyptic number.

51074660336 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51074660336 is an abundant number, since it is smaller than the sum of its proper divisors (65919027184).

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

51074660336 is a wasteful number, since it uses less digits than its factorization.

51074660336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725001 (or 15724995 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 51074660336 in words is "fifty-one billion, seventy-four million, six hundred sixty thousand, three hundred thirty-six".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1624 3248 15724957 31449914 62899828 110074699 125799656 220149398 251599312 440298796 456023753 880597592 912047506 1761195184 1824095012 3192166271 3648190024 6384332542 7296380048 12768665084 25537330168 51074660336