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142476921901448 = 2317809615237681
BaseRepresentation
bin100000011001010011111110…
…010100011001000110001000
3200200110122211122210020010222
4200121103332110121012020
5122133320214001321243
61223004554435325212
742003421642050401
oct4031237624310610
9620418748706128
10142476921901448
114144113a058502
1213b90b94a50808
136166692aba904
142727cc3d829a8
151171242012168
hex8194fe519188

142476921901448 has 8 divisors (see below), whose sum is σ = 267144228565230. Its totient is φ = 71238460950720.

The previous prime is 142476921901411. The next prime is 142476921901459. The reversal of 142476921901448 is 844109129674241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 138320697604324 + 4156224297124 = 11760982^2 + 2038682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-5 number, since 5×1424769219014485 (a number of 72 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8904807618833 + ... + 8904807618848.

Almost surely, 2142476921901448 is an apocalyptic number.

It is an amenable number.

142476921901448 is a deficient number, since it is larger than the sum of its proper divisors (124667306663782).

142476921901448 is a wasteful number, since it uses less digits than its factorization.

142476921901448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17809615237687 (or 17809615237683 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 142476921901448 in words is "one hundred forty-two trillion, four hundred seventy-six billion, nine hundred twenty-one million, nine hundred one thousand, four hundred forty-eight".

Divisors: 1 2 4 8 17809615237681 35619230475362 71238460950724 142476921901448