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139472225568 = 2535136072273
BaseRepresentation
bin1000000111100100110…
…0010100010100100000
3111100000001121011100000
42001321030110110200
54241114342204233
6144023405500000
713035152233224
oct2017114242440
9440001534300
10139472225568
1154171487425
1223044b71600
13101c9433c30
146a714c6784
15396471dd13
hex2079314520

139472225568 has 288 divisors, whose sum is σ = 443878396416. Its totient is φ = 42824982528.

The previous prime is 139472225549. The next prime is 139472225591. The reversal of 139472225568 is 865522274931.

139472225568 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 72 + 2 + 2 + 5 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61359280 + ... + 61361552.

It is an arithmetic number, because the mean of its divisors is an integer number (1541244432).

Almost surely, 2139472225568 is an apocalyptic number.

139472225568 is a gapful number since it is divisible by the number (18) 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 139472225568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221939198208).

139472225568 is an abundant number, since it is smaller than the sum of its proper divisors (304406170848).

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

139472225568 is a wasteful number, since it uses less digits than its factorization.

139472225568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2898 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 139472225568 in words is "one hundred thirty-nine billion, four hundred seventy-two million, two hundred twenty-five thousand, five hundred sixty-eight".