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1081347896970 = 2335117173199353
BaseRepresentation
bin11111011110001010101…
…10110111011010001010
310211101010222211202112000
433233011112313122022
5120204100030200340
62144433034131430
7141060544316265
oct17570526673212
93741128752460
101081347896970
11387662773a10
121556a5280b76
137ac80738713
143a4a220dcdc
151d1dd236d30
hexfbc55b768a

1081347896970 has 512 divisors, whose sum is σ = 3259201536000. Its totient is φ = 252912844800.

The previous prime is 1081347896953. The next prime is 1081347896987. The reversal of 1081347896970 is 796987431801.

1081347896970 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 3 + 478 + 96 + 9 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (1081347896953) and next prime (1081347896987).

It is a junction number, because it is equal to n+sod(n) for n = 1081347896898 and 1081347896907.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3063308314 + ... + 3063308666.

It is an arithmetic number, because the mean of its divisors is an integer number (6365628000).

Almost surely, 21081347896970 is an apocalyptic number.

1081347896970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081347896970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629600768000).

1081347896970 is an abundant number, since it is smaller than the sum of its proper divisors (2177853639030).

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

1081347896970 is a wasteful number, since it uses less digits than its factorization.

1081347896970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 1081347896970 in words is "one trillion, eighty-one billion, three hundred forty-seven million, eight hundred ninety-six thousand, nine hundred seventy".