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20115465562092 = 22311817963178247
BaseRepresentation
bin1001001001011011111110…
…01011011110011111101100
32122020000112101021210201110
410210231333023132133230
510114032433140441332
6110440530045512020
74144202663062455
oct444557713363754
978200471253643
1020115465562092
116455a1499a90a
12230a618872610
13b2bb59c27644
144d784529212c
1524d3b1be94cc
hex124b7f2de7ec

20115465562092 has 48 divisors (see below), whose sum is σ = 46981991814912. Its totient is φ = 6698598757440.

The previous prime is 20115465562069. The next prime is 20115465562097. The reversal of 20115465562092 is 29026556451102.

It is not an unprimeable number, because it can be changed into a prime (20115465562097) 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, 112762513 + ... + 112940759.

It is an arithmetic number, because the mean of its divisors is an integer number (978791496144).

Almost surely, 220115465562092 is an apocalyptic number.

It is an amenable number.

20115465562092 is an abundant number, since it is smaller than the sum of its proper divisors (26866526252820).

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

20115465562092 is a wasteful number, since it uses less digits than its factorization.

20115465562092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187398 (or 187396 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

It can be divided in two parts, 201154 and 65562092, that added together give a triangular number (65763246 = T11468).

The spelling of 20115465562092 in words is "twenty trillion, one hundred fifteen billion, four hundred sixty-five million, five hundred sixty-two thousand, ninety-two".

Divisors: 1 2 3 4 6 12 1181 2362 3543 4724 7086 7963 14172 15926 23889 31852 47778 95556 178247 356494 534741 712988 1069482 2138964 9404303 18808606 28212909 37617212 56425818 112851636 210509707 421019414 631529121 842038828 1263058242 1419380861 2526116484 2838761722 4258142583 5677523444 8516285166 17032570332 1676288796841 3352577593682 5028866390523 6705155187364 10057732781046 20115465562092