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144692456900 = 22521446924569
BaseRepresentation
bin1000011011000001010…
…1111010110111000100
3111211110212101101111012
42012300111322313010
54332312232110100
6150245405301352
713311420406445
oct2066025726704
9454425341435
10144692456900
11564001354a2
1224061264858
131084bab1604
1470089152cc
153b6cb79135
hex21b057adc4

144692456900 has 18 divisors (see below), whose sum is σ = 313982631690. Its totient is φ = 57876982720.

The previous prime is 144692456899. The next prime is 144692456963. The reversal of 144692456900 is 9654296441.

It can be written as a sum of positive squares in 3 ways, for example, as 16293501316 + 128398955584 = 127646^2 + 358328^2 .

It is a super-2 number, since 2×1446924569002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723462185 + ... + 723462384.

Almost surely, 2144692456900 is an apocalyptic number.

144692456900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144692456900 is an abundant number, since it is smaller than the sum of its proper divisors (169290174790).

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

144692456900 is a wasteful number, since it uses less digits than its factorization.

144692456900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446924583 (or 1446924576 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 144692456900 in words is "one hundred forty-four billion, six hundred ninety-two million, four hundred fifty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1446924569 2893849138 5787698276 7234622845 14469245690 28938491380 36173114225 72346228450 144692456900