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15020055316 = 2274355722397
BaseRepresentation
bin11011111110100001…
…11101101100010100
31102202202212212102001
431333100331230110
5221230113232231
610522231525044
71041132235510
oct157720755424
942682785361
1015020055316
11640847a962
122ab2229784
131554a4b6c6
14a26b65140
155cd976b61
hex37f43db14

15020055316 has 48 divisors (see below), whose sum is σ = 30795278976. Its totient is φ = 6275896704.

The previous prime is 15020055293. The next prime is 15020055329. The reversal of 15020055316 is 61355002051.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 659430 + ... + 681826.

It is an arithmetic number, because the mean of its divisors is an integer number (641568312).

Almost surely, 215020055316 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 15020055316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15397639488).

15020055316 is an abundant number, since it is smaller than the sum of its proper divisors (15775223660).

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

15020055316 is a wasteful number, since it uses less digits than its factorization.

15020055316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23008 (or 23006 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 15020055316 its reverse (61355002051), we get a palindrome (76375057367).

The spelling of 15020055316 in words is "fifteen billion, twenty million, fifty-five thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 43 86 172 301 557 602 1114 1204 2228 3899 7798 15596 22397 23951 44794 47902 89588 95804 156779 167657 313558 335314 627116 670628 963071 1926142 3852284 6741497 12475129 13482994 24950258 26965988 49900516 87325903 174651806 349303612 536430547 1072861094 2145722188 3755013829 7510027658 15020055316