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139863485760 = 26352389103691
BaseRepresentation
bin1000001001000010000…
…0110110110101000000
3111101000022211020102020
42002100200312311000
54242420023021020
6144130303521440
713050643004415
oct2022040666500
9441008736366
10139863485760
1154352322a59
1223133bb9280
131025c50543b
146aab45410c
153988c57c40
hex2090836d40

139863485760 has 448 divisors, whose sum is σ = 473814282240. Its totient is φ = 34881454080.

The previous prime is 139863485759. The next prime is 139863485761. The reversal of 139863485760 is 67584368931.

It is an interprime number because it is at equal distance from previous prime (139863485759) and next prime (139863485761).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 139863485694 and 139863485703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139863485761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202407015 + ... + 202407705.

Almost surely, 2139863485760 is an apocalyptic number.

139863485760 is a gapful number since it is divisible by the number (10) 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 139863485760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236907141120).

139863485760 is an abundant number, since it is smaller than the sum of its proper divisors (333950796480).

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

139863485760 is a wasteful number, since it uses less digits than its factorization.

139863485760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 139863485760 in words is "one hundred thirty-nine billion, eight hundred sixty-three million, four hundred eighty-five thousand, seven hundred sixty".