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165000151530 = 23259718900361
BaseRepresentation
bin1001100110101011000…
…1101000000111101010
3120202220010220011102100
42121222301220013222
510200410014322110
6203444445514230
714630600101314
oct2315261500752
9522803804370
10165000151530
1163a81313aa5
1227b8a272976
131273714c476
147db3a147b4
15445a923bc0
hex266ac681ea

165000151530 has 48 divisors (see below), whose sum is σ = 433423101384. Its totient is φ = 43546429440.

The previous prime is 165000151493. The next prime is 165000151553. The reversal of 165000151530 is 35151000561.

165000151530 is a `hidden beast` number, since 1 + 6 + 500 + 0 + 1 + 5 + 153 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 131858313129 + 33141838401 = 363123^2 + 182049^2 .

It is a super-2 number, since 2×1650001515302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165000151494 and 165000151503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9441451 + ... + 9458910.

Almost surely, 2165000151530 is an apocalyptic number.

165000151530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165000151530 is an abundant number, since it is smaller than the sum of its proper divisors (268422949854).

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

165000151530 is a wasteful number, since it uses less digits than its factorization.

165000151530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18900471 (or 18900468 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 165000151530 in words is "one hundred sixty-five billion, one hundred fifty-one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 97 194 291 485 582 873 970 1455 1746 2910 4365 8730 18900361 37800722 56701083 94501805 113402166 170103249 189003610 283505415 340206498 567010830 850516245 1701032490 1833335017 3666670034 5500005051 9166675085 11000010102 16500015153 18333350170 27500025255 33000030306 55000050510 82500075765 165000151530