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159979550744 = 23134793211409
BaseRepresentation
bin1001010011111110000…
…1100011100000011000
3120021221020202012220002
42110333201203200120
510110114231110434
6201254340552132
714362304513246
oct2247741434030
9507836665802
10159979550744
1161935316352
12270089b2648
1312116c59b80
147a58d0d796
154264c9d57e
hex253f863818

159979550744 has 32 divisors (see below), whose sum is σ = 323710128000. Its totient is φ = 73682545152.

The previous prime is 159979550737. The next prime is 159979550747. The reversal of 159979550744 is 447055979951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159979550747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555889 + ... + 1655520.

It is an arithmetic number, because the mean of its divisors is an integer number (10115941500).

Almost surely, 2159979550744 is an apocalyptic number.

It is an amenable number.

159979550744 is an abundant number, since it is smaller than the sum of its proper divisors (163730577256).

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

159979550744 is a wasteful number, since it uses less digits than its factorization.

159979550744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211907 (or 3211903 counting only the distinct ones).

The product of its (nonzero) digits is 71442000, while the sum is 65.

The spelling of 159979550744 in words is "one hundred fifty-nine billion, nine hundred seventy-nine million, five hundred fifty thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 26 52 104 479 958 1916 3832 6227 12454 24908 49816 3211409 6422818 12845636 25691272 41748317 83496634 166993268 333986536 1538264911 3076529822 6153059644 12306119288 19997443843 39994887686 79989775372 159979550744