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10124545440 = 2535311076359
BaseRepresentation
bin10010110110111100…
…00100110110100000
3222010121010012100110
421123132010312200
5131213340423230
64352352051320
7505616134122
oct113336046640
928117105313
1010124545440
114326050929
121b66833b40
13c547462b9
146c0903212
153e3cb04b0
hex25b784da0

10124545440 has 192 divisors, whose sum is σ = 33234001920. Its totient is φ = 2587960320.

The previous prime is 10124545423. The next prime is 10124545441. The reversal of 10124545440 is 4454542101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 10124545398 and 10124545407.

It is not an unprimeable number, because it can be changed into a prime (10124545441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588981 + ... + 1595339.

It is an arithmetic number, because the mean of its divisors is an integer number (173093760).

Almost surely, 210124545440 is an apocalyptic number.

10124545440 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 10124545440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16617000960).

10124545440 is an abundant number, since it is smaller than the sum of its proper divisors (23109456480).

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

10124545440 is a wasteful number, since it uses less digits than its factorization.

10124545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515 (or 6507 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 10124545440 in words is "ten billion, one hundred twenty-four million, five hundred forty-five thousand, four hundred forty".