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151045004420 = 22517444250013
BaseRepresentation
bin1000110010101011111…
…0111101110010000100
3112102212120211020102222
42030222332331302010
54433320010120140
6153220014351512
713625015232242
oct2145276756204
9472776736388
10151045004420
115906aa70472
12253347bb598
1311321c15c7b
14744c495792
153de07005b5
hex232afbdc84

151045004420 has 24 divisors (see below), whose sum is σ = 335853010584. Its totient is φ = 56864001536.

The previous prime is 151045004381. The next prime is 151045004449. The reversal of 151045004420 is 24400540151.

It can be written as a sum of positive squares in 4 ways, for example, as 21512675584 + 129532328836 = 146672^2 + 359906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151045004420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222124667 + ... + 222125346.

It is an arithmetic number, because the mean of its divisors is an integer number (13993875441).

Almost surely, 2151045004420 is an apocalyptic number.

151045004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151045004420 is an abundant number, since it is smaller than the sum of its proper divisors (184808006164).

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

151045004420 is a wasteful number, since it uses less digits than its factorization.

151045004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444250039 (or 444250037 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 151045004420 its reverse (24400540151), we get a palindrome (175445544571).

The spelling of 151045004420 in words is "one hundred fifty-one billion, forty-five million, four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 444250013 888500026 1777000052 2221250065 4442500130 7552250221 8885000260 15104500442 30209000884 37761251105 75522502210 151045004420