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1013207040 = 21232523239
BaseRepresentation
bin111100011001000…
…101000000000000
32121121112020202200
4330121011000000
54033340111130
6244312313200
734052055246
oct7431050000
92547466680
101013207040
1147aa2449a
122433a2800
13131bb26c1
14987c8796
155de3e760
hex3c645000

1013207040 has 312 divisors, whose sum is σ = 3680052480. Its totient is φ = 257359872.

The previous prime is 1013206973. The next prime is 1013207057. The reversal of 1013207040 is 407023101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4239241 + ... + 4239479.

It is an arithmetic number, because the mean of its divisors is an integer number (11795040).

Almost surely, 21013207040 is an apocalyptic number.

1013207040 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 1013207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840026240).

1013207040 is an abundant number, since it is smaller than the sum of its proper divisors (2666845440).

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

1013207040 is a wasteful number, since it uses less digits than its factorization.

1013207040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1013207040 is about 31830.9132762477. The cubic root of 1013207040 is about 1004.3831069711.

The spelling of 1013207040 in words is "one billion, thirteen million, two hundred seven thousand, forty".