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1115700016820 = 2251011171471671
BaseRepresentation
bin10000001111000100111…
…001110011011010110100
310221122211001102020222012
4100033010321303122310
5121234423201014240
62212313455223352
7143415041445224
oct20170471633264
93848731366865
101115700016820
113a0190634004
12160291817b58
138129666b25c
143c00066c084
151e04de8cb65
hex103c4e736b4

1115700016820 has 48 divisors (see below), whose sum is σ = 2368193417856. Its totient is φ = 441483120000.

The previous prime is 1115700016799. The next prime is 1115700016829. The reversal of 1115700016820 is 286100075111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115700016829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129585 + ... + 2601255.

It is an arithmetic number, because the mean of its divisors is an integer number (49337362872).

Almost surely, 21115700016820 is an apocalyptic number.

1115700016820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115700016820 is an abundant number, since it is smaller than the sum of its proper divisors (1252493401036).

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

1115700016820 is a wasteful number, since it uses less digits than its factorization.

1115700016820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472952 (or 472950 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 32.

The spelling of 1115700016820 in words is "one trillion, one hundred fifteen billion, seven hundred million, sixteen thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 1171 2020 2342 4684 5855 11710 23420 118271 236542 471671 473084 591355 943342 1182710 1886684 2358355 2365420 4716710 9433420 47638771 95277542 190555084 238193855 476387710 552326741 952775420 1104653482 2209306964 2761633705 5523267410 11046534820 55785000841 111570001682 223140003364 278925004205 557850008410 1115700016820