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151775507442 = 231317114461167
BaseRepresentation
bin1000110101011010000…
…1100111001111110010
3112111202111101122012110
42031112201213033302
54441314012214232
6153420311510150
713652065345536
oct2152641471762
9474674348173
10151775507442
1159405354179
12254b9388356
131140a375290
1474bb4cdbc6
153e348eaacc
hex23568673f2

151775507442 has 32 divisors (see below), whose sum is σ = 346130572032. Its totient is φ = 43953087744.

The previous prime is 151775507437. The next prime is 151775507473. The reversal of 151775507442 is 244705577151.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 151775507391 and 151775507400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57229258 + ... + 57231909.

It is an arithmetic number, because the mean of its divisors is an integer number (10816580376).

Almost surely, 2151775507442 is an apocalyptic number.

151775507442 is an abundant number, since it is smaller than the sum of its proper divisors (194355064590).

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

151775507442 is a wasteful number, since it uses less digits than its factorization.

151775507442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114461202.

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 151775507442 in words is "one hundred fifty-one billion, seven hundred seventy-five million, five hundred seven thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 114461167 228922334 343383501 686767002 1487995171 1945839839 2975990342 3891679678 4463985513 5837519517 8927971026 11675039034 25295917907 50591835814 75887753721 151775507442