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1013854940640 = 253251796742829
BaseRepresentation
bin11101100000011100111…
…01101010110111100000
310120220221021221100000200
432300032131222313200
5113102333331100030
62053431501545200
7133151161542663
oct16601635526740
93526837840020
101013854940640
11360a78756963
121445a9b75200
13747b5818579
14370dc55d6da
151b58cc93d60
hexec0e76ade0

1013854940640 has 288 divisors, whose sum is σ = 3667170386880. Its totient is φ = 254188634112.

The previous prime is 1013854940611. The next prime is 1013854940677. The reversal of 1013854940640 is 460494583101.

1013854940640 is a `hidden beast` number, since 1 + 0 + 1 + 3 + 8 + 549 + 40 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23650746 + ... + 23693574.

It is an arithmetic number, because the mean of its divisors is an integer number (12733230510).

Almost surely, 21013854940640 is an apocalyptic number.

1013854940640 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 1013854940640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833585193440).

1013854940640 is an abundant number, since it is smaller than the sum of its proper divisors (2653315446240).

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

1013854940640 is a wasteful number, since it uses less digits than its factorization.

1013854940640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43834 (or 43823 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1013854940640 in words is "one trillion, thirteen billion, eight hundred fifty-four million, nine hundred forty thousand, six hundred forty".