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157150871442 = 23326861108343
BaseRepresentation
bin1001001001011011101…
…0111111111110010010
3120000122010002102101000
42102112322333332102
510033321110341232
6200105532322430
714232226236645
oct2222672777622
9500563072330
10157150871442
116071362a764
1226559613416
1311a85bcab36
14786b381a5c
15414b79b27c
hex2496ebff92

157150871442 has 32 divisors (see below), whose sum is σ = 349240383360. Its totient is φ = 52381190160.

The previous prime is 157150871441. The next prime is 157150871467. The reversal of 157150871442 is 244178051751.

157150871442 is a `hidden beast` number, since 1 + 5 + 71 + 508 + 71 + 4 + 4 + 2 = 666.

It is a super-2 number, since 2×1571508714422 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157150871441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1396323 + ... + 1504665.

It is an arithmetic number, because the mean of its divisors is an integer number (10913761980).

Almost surely, 2157150871442 is an apocalyptic number.

157150871442 is an abundant number, since it is smaller than the sum of its proper divisors (192089511918).

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

157150871442 is a wasteful number, since it uses less digits than its factorization.

157150871442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135215 (or 135209 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 157150871442 in words is "one hundred fifty-seven billion, one hundred fifty million, eight hundred seventy-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 26861 53722 80583 108343 161166 216686 241749 325029 483498 650058 725247 975087 1450494 1950174 2925261 5850522 2910201323 5820402646 8730603969 17461207938 26191811907 52383623814 78575435721 157150871442