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139773103642368 = 283572198329077
BaseRepresentation
bin11111110001111101110110…
…001100010001011100000000
3200022220011210220201022200000
4133301331312030101130000
5121310020304013023433
61213134513302400000
741304162544051200
oct3761756614213400
9608804726638600
10139773103642368
1140599493146509
1213814b69730000
135ccb71602b311
1426730a9066400
151125c44b56113
hex7f1f76311700

139773103642368 has 1296 divisors, whose sum is σ = 517929864117120. Its totient is φ = 37376212672512.

The previous prime is 139773103642357. The next prime is 139773103642409. The reversal of 139773103642368 is 863246301377931.

139773103642368 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 7 + 31 + 0 + 364 + 236 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4806984246 + ... + 4807013322.

Almost surely, 2139773103642368 is an apocalyptic number.

139773103642368 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 139773103642368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258964932058560).

139773103642368 is an abundant number, since it is smaller than the sum of its proper divisors (378156760474752).

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

139773103642368 is an equidigital number, since it uses as much as digits as its factorization.

139773103642368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29224 (or 29191 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 63.

The spelling of 139773103642368 in words is "one hundred thirty-nine trillion, seven hundred seventy-three billion, one hundred three million, six hundred forty-two thousand, three hundred sixty-eight".