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142402453560 = 233257127720113
BaseRepresentation
bin1000010010011111011…
…0010000000000111000
3111121120021100011110200
42010213312100000320
54313120012003220
6145230242442200
713200602612043
oct2044766200070
9447507304420
10142402453560
1155435522054
1223722363360
1310575529653
146c6c729c5a
153a86ace890
hex2127d90038

142402453560 has 192 divisors, whose sum is σ = 471044134080. Its totient is φ = 37302128640.

The previous prime is 142402453549. The next prime is 142402453637. The reversal of 142402453560 is 65354204241.

142402453560 is a `hidden beast` number, since 1 + 4 + 2 + 40 + 2 + 4 + 53 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7070064 + ... + 7090176.

It is an arithmetic number, because the mean of its divisors is an integer number (2453354865).

Almost surely, 2142402453560 is an apocalyptic number.

142402453560 is a gapful number since it is divisible by the number (10) 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 142402453560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235522067040).

142402453560 is an abundant number, since it is smaller than the sum of its proper divisors (328641680520).

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

142402453560 is a wasteful number, since it uses less digits than its factorization.

142402453560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478 (or 20471 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 142402453560 in words is "one hundred forty-two billion, four hundred two million, four hundred fifty-three thousand, five hundred sixty".