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139287196944 = 24347214812
BaseRepresentation
bin1000000110111000101…
…0011111010100010000
3111022112011102201210000
42001232022133110100
54240230010300234
6143553200010000
713030444432200
oct2015612372420
9438464381700
10139287196944
1154086a9a705
1222bb3000900
1310199cbc23c
146a54ac0400
153953370899
hex206e29f510

139287196944 has 225 divisors, whose sum is σ = 469272797301. Its totient is φ = 39769470720.

The previous prime is 139287196927. The next prime is 139287196967. The reversal of 139287196944 is 449691782931.

The square root of 139287196944 is 373212.

It is a perfect power (a square), and thus also a powerful number.

139287196944 is a `hidden beast` number, since 1 + 392 + 8 + 71 + 96 + 94 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 59627779344 + 79659417600 = 244188^2 + 282240^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 94048684 + ... + 94050164.

Almost surely, 2139287196944 is an apocalyptic number.

139287196944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139287196944 is the 373212-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139287196944

139287196944 is an abundant number, since it is smaller than the sum of its proper divisors (329985600357).

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

139287196944 is an frugal number, since it uses more digits than its factorization.

139287196944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996 (or 1493 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 139287196944 in words is "one hundred thirty-nine billion, two hundred eighty-seven million, one hundred ninety-six thousand, nine hundred forty-four".