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126857157460 = 225113291011627
BaseRepresentation
bin111011000100101000…
…1101001101101010100
3110010102220010022011021
41312021101221231110
54034300413014320
6134135525050524
712110432022055
oct1661121515524
9403386108137
10126857157460
1149888616000
1220704256a44
13bc68a291a7
1461d5d1c72c
153476ea5daa
hex1d89469b54

126857157460 has 192 divisors, whose sum is σ = 306313539840. Its totient is φ = 44071104000.

The previous prime is 126857157419. The next prime is 126857157463. The reversal of 126857157460 is 64751758621.

It is a junction number, because it is equal to n+sod(n) for n = 126857157398 and 126857157407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126857157463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77969167 + ... + 77970793.

It is an arithmetic number, because the mean of its divisors is an integer number (1595383020).

Almost surely, 2126857157460 is an apocalyptic number.

126857157460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126857157460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153156769920).

126857157460 is an abundant number, since it is smaller than the sum of its proper divisors (179456382380).

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

126857157460 is a wasteful number, since it uses less digits than its factorization.

126857157460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 126857157460 in words is "one hundred twenty-six billion, eight hundred fifty-seven million, one hundred fifty-seven thousand, four hundred sixty".