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142452512664 = 23373113121637
BaseRepresentation
bin1000010010101011010…
…1001101011110011000
3111121200202112102122120
42010222311031132120
54313220320401124
6145235231421240
713202051244000
oct2045265153630
9447622472576
10142452512664
1155460803210
1223737084820
1310582a05917
146c7523b000
153a8b1bbd79
hex212ad4d798

142452512664 has 384 divisors, whose sum is σ = 468441792000. Its totient is φ = 35785209600.

The previous prime is 142452512611. The next prime is 142452512669. The reversal of 142452512664 is 466215254241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142452512669) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87019654 + ... + 87021290.

It is an arithmetic number, because the mean of its divisors is an integer number (1219900500).

Almost surely, 2142452512664 is an apocalyptic number.

142452512664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142452512664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234220896000).

142452512664 is an abundant number, since it is smaller than the sum of its proper divisors (325989279336).

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

142452512664 is a wasteful number, since it uses less digits than its factorization.

142452512664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1691 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The spelling of 142452512664 in words is "one hundred forty-two billion, four hundred fifty-two million, five hundred twelve thousand, six hundred sixty-four".