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142969255616 = 26112192383509
BaseRepresentation
bin1000010100100110100…
…0011011011011000000
3111200000202212200201102
42011021220123123000
54320300112134431
6145402411153532
713220624423135
oct2051150333300
9450022780642
10142969255616
11556a6465900
12238601458a8
1310635aa0795
146cc3b1058c
153abb740dcb
hex2149a1b6c0

142969255616 has 336 divisors, whose sum is σ = 347333011200. Its totient is φ = 58065131520.

The previous prime is 142969255613. The next prime is 142969255651. The reversal of 142969255616 is 616552969241.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142969255613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280882370 + ... + 280882878.

It is an arithmetic number, because the mean of its divisors is an integer number (1033729200).

Almost surely, 2142969255616 is an apocalyptic number.

142969255616 is a gapful number since it is divisible by the number (16) 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 142969255616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173666505600).

142969255616 is an abundant number, since it is smaller than the sum of its proper divisors (204363755584).

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

142969255616 is a wasteful number, since it uses less digits than its factorization.

142969255616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 647 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 56.

The spelling of 142969255616 in words is "one hundred forty-two billion, nine hundred sixty-nine million, two hundred fifty-five thousand, six hundred sixteen".