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27388100156 = 2297199431823
BaseRepresentation
bin11001100000011101…
…010011111000111100
32121200201112122100212
4121200131103320330
5422042323201111
620325410011552
71656463003334
oct314035237074
977621478325
1027388100156
111068496101a
125384276bb8
132776216931
14147b5ca0c4
15aa469798b
hex660753e3c

27388100156 has 48 divisors (see below), whose sum is σ = 48838809600. Its totient is φ = 13437135360.

The previous prime is 27388100141. The next prime is 27388100161. The reversal of 27388100156 is 65100188372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33277961 + ... + 33278783.

It is an arithmetic number, because the mean of its divisors is an integer number (1017475200).

Almost surely, 227388100156 is an apocalyptic number.

It is an amenable number.

27388100156 is a deficient number, since it is larger than the sum of its proper divisors (21450709444).

27388100156 is a wasteful number, since it uses less digits than its factorization.

27388100156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 27388100156 in words is "twenty-seven billion, three hundred eighty-eight million, one hundred thousand, one hundred fifty-six".

Divisors: 1 2 4 97 194 199 388 398 431 796 823 862 1646 1724 3292 19303 38606 41807 77212 79831 83614 85769 159662 163777 167228 171538 319324 327554 343076 354713 655108 709426 1418852 8319593 15886369 16639186 31772738 33278372 34407161 63545476 68814322 70587887 137628644 141175774 282351548 6847025039 13694050078 27388100156