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139393007872 = 283315772851
BaseRepresentation
bin1000000111010001111…
…0001000000100000000
3111022210112112111002021
42001310132020010000
54240434102222442
6144011455531224
713033201005646
oct2016436100400
9438715474067
10139393007872
115413079aa58
1223022529b14
13101b5bb8961
146a64b85196
15395c7c1e67
hex2074788100

139393007872 has 72 divisors (see below), whose sum is σ = 279663857312. Its totient is φ = 69341184000.

The previous prime is 139393007863. The next prime is 139393007893. The reversal of 139393007872 is 278700393931.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48891247 + ... + 48894097.

Almost surely, 2139393007872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139393007872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139831928656).

139393007872 is an abundant number, since it is smaller than the sum of its proper divisors (140270849440).

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

139393007872 is an equidigital number, since it uses as much as digits as its factorization.

139393007872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775 (or 3761 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 139393007872 in words is "one hundred thirty-nine billion, three hundred ninety-three million, seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 331 577 662 1154 1324 2308 2648 2851 4616 5296 5702 9232 10592 11404 18464 21184 22808 36928 42368 45616 73856 84736 91232 147712 182464 190987 364928 381974 729856 763948 943681 1527896 1645027 1887362 3055792 3290054 3774724 6111584 6580108 7549448 12223168 13160216 15098896 24446336 26320432 30197792 48892672 52640864 60395584 105281728 120791168 210563456 241582336 421126912 544503937 1089007874 2178015748 4356031496 8712062992 17424125984 34848251968 69696503936 139393007872