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1018837852956 = 22327211371419097
BaseRepresentation
bin11101101001101110111…
…01111110001100011100
310121101210120011111200200
432310313131332030130
5113143034442243311
62100014143023500
7133415515601100
oct16646735761434
93541716144620
101018837852956
113630a5452710
1214555a89ab90
13750cac734b1
1437452253900
151b780472556
hexed3777e31c

1018837852956 has 216 divisors, whose sum is σ = 3356552764656. Its totient is φ = 257480778240.

The previous prime is 1018837852939. The next prime is 1018837853039. The reversal of 1018837852956 is 6592587388101.

1018837852956 is a `hidden beast` number, since 10 + 18 + 8 + 37 + 8 + 529 + 56 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1018837852893 and 1018837852902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8400 + ... + 1427496.

Almost surely, 21018837852956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018837852956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678276382328).

1018837852956 is an abundant number, since it is smaller than the sum of its proper divisors (2337714911700).

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

1018837852956 is a wasteful number, since it uses less digits than its factorization.

1018837852956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419169 (or 1419157 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 1018837852956 in words is "one trillion, eighteen billion, eight hundred thirty-seven million, eight hundred fifty-two thousand, nine hundred fifty-six".