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10215513503139 = 37297677115111
BaseRepresentation
bin1001010010100111110000…
…0011011011010110100011
31100011121000200220112220010
42110221330003123112203
52314332332424100024
633420535255220003
72103021643034400
oct224517403332643
940147020815803
1010215513503139
11328941406679a
12118ba02977603
1359141b4c5a49
1427460d7032a7
1512aae0310b29
hex94a7c0db5a3

10215513503139 has 24 divisors (see below), whose sum is σ = 15846094395648. Its totient is φ = 5836837797840.

The previous prime is 10215513503101. The next prime is 10215513503149. The reversal of 10215513503139 is 93130531551201.

10215513503139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10215513503139 - 27 = 10215513503011 is a prime.

It is a super-2 number, since 2×102155135031392 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10215513503097 and 10215513503106.

It is not an unprimeable number, because it can be changed into a prime (10215513503149) 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, 2121807 + ... + 4993304.

It is an arithmetic number, because the mean of its divisors is an integer number (660253933152).

Almost surely, 210215513503139 is an apocalyptic number.

10215513503139 is a deficient number, since it is larger than the sum of its proper divisors (5630580892509).

10215513503139 is an equidigital number, since it uses as much as digits as its factorization.

10215513503139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124895 (or 7124888 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 39.

The spelling of 10215513503139 in words is "ten trillion, two hundred fifteen billion, five hundred thirteen million, five hundred three thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 49 147 9767 29301 68369 205107 478583 1435749 7115111 21345333 49805777 149417331 348640439 1045921317 69493289137 208479867411 486453023959 1459359071877 3405171167713 10215513503139