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10288742751 = 3271311246667
BaseRepresentation
bin10011001010100000…
…11100000101011111
3222120001002021201100
421211100130011133
5132032404232001
64420535244143
7512651604360
oct114520340537
928501067640
1010288742751
1143aa7aa791
121bb1819653
13c7c776381
146d8645b67
154033e6586
hex26541c15f

10288742751 has 24 divisors (see below), whose sum is σ = 17114258304. Its totient is φ = 5834396880.

The previous prime is 10288742747. The next prime is 10288742767. The reversal of 10288742751 is 15724788201.

It is not a de Polignac number, because 10288742751 - 22 = 10288742747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10288742697 and 10288742706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10288742791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 615081 + ... + 631586.

It is an arithmetic number, because the mean of its divisors is an integer number (713094096).

Almost surely, 210288742751 is an apocalyptic number.

10288742751 is a deficient number, since it is larger than the sum of its proper divisors (6825515553).

10288742751 is a wasteful number, since it uses less digits than its factorization.

10288742751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246811 (or 1246808 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The spelling of 10288742751 in words is "ten billion, two hundred eighty-eight million, seven hundred forty-two thousand, seven hundred fifty-one".

Divisors: 1 3 7 9 21 63 131 393 917 1179 2751 8253 1246667 3740001 8726669 11220003 26180007 78540021 163313377 489940131 1143193639 1469820393 3429580917 10288742751