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18136411036 = 2217299196963
BaseRepresentation
bin10000111001000000…
…111010101110011100
31201210221212010210021
4100321000322232130
5244120410123121
612155354121524
71211302643632
oct207100725634
951727763707
1018136411036
117767593057
123621a202a4
131930582183
14c409b9352
15712351641
hex43903ab9c

18136411036 has 24 divisors (see below), whose sum is σ = 34764523920. Its totient is φ = 8240477952.

The previous prime is 18136410997. The next prime is 18136411037. The reversal of 18136411036 is 63011463181.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 18136410992 and 18136411010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18136411037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4596510 + ... + 4600453.

It is an arithmetic number, because the mean of its divisors is an integer number (1448521830).

Almost surely, 218136411036 is an apocalyptic number.

It is an amenable number.

18136411036 is a deficient number, since it is larger than the sum of its proper divisors (16628112884).

18136411036 is a wasteful number, since it uses less digits than its factorization.

18136411036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197013 (or 9197011 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 18136411036 in words is "eighteen billion, one hundred thirty-six million, four hundred eleven thousand, thirty-six".

Divisors: 1 2 4 17 29 34 58 68 116 493 986 1972 9196963 18393926 36787852 156348371 266711927 312696742 533423854 625393484 1066847708 4534102759 9068205518 18136411036