Search a number
-
+
73915298132 = 22132109342157
BaseRepresentation
bin100010011010110110…
…0011111000101010100
321001210021200012012112
41010311230133011110
52202334304020012
653542313210152
75224455445004
oct1046554370524
9231707605175
1073915298132
1129390293555
12123aa100958
136c7c650800
1438129dc004
151dc9204122
hex1135b1f154

73915298132 has 18 divisors (see below), whose sum is σ = 140067304398. Its totient is φ = 34114752672.

The previous prime is 73915298129. The next prime is 73915298137. The reversal of 73915298132 is 23189251937.

It can be written as a sum of positive squares in 3 ways, for example, as 1362643396 + 72552654736 = 36914^2 + 269356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73915298137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54670403 + ... + 54671754.

It is an arithmetic number, because the mean of its divisors is an integer number (7781516911).

Almost surely, 273915298132 is an apocalyptic number.

It is an amenable number.

73915298132 is a deficient number, since it is larger than the sum of its proper divisors (66152006266).

73915298132 is a wasteful number, since it uses less digits than its factorization.

73915298132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109342187 (or 109342172 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 73915298132 in words is "seventy-three billion, nine hundred fifteen million, two hundred ninety-eight thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 169 338 676 109342157 218684314 437368628 1421448041 2842896082 5685792164 18478824533 36957649066 73915298132