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30129949017 = 3278922324097
BaseRepresentation
bin11100000011111000…
…101000100101011001
32212202210210222220200
4130003320220211121
5443201231332032
621501433212413
72114435224650
oct340370504531
985683728820
1030129949017
1111861630713
125a0a561109
132ac22935cc
14165b7d4197
15bb524747c
hex703e28959

30129949017 has 48 divisors (see below), whose sum is σ = 50524830720. Its totient is φ = 16946620416.

The previous prime is 30129949001. The next prime is 30129949061. The reversal of 30129949017 is 71094992103.

30129949017 is a `hidden beast` number, since 30 + 129 + 9 + 490 + 1 + 7 = 666.

It is not a de Polignac number, because 30129949017 - 24 = 30129949001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30129949217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1238313 + ... + 1262409.

It is an arithmetic number, because the mean of its divisors is an integer number (1052600640).

Almost surely, 230129949017 is an apocalyptic number.

It is an amenable number.

30129949017 is a deficient number, since it is larger than the sum of its proper divisors (20394881703).

30129949017 is a wasteful number, since it uses less digits than its factorization.

30129949017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422 (or 24419 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 30129949017 in words is "thirty billion, one hundred twenty-nine million, nine hundred forty-nine thousand, seventeen".

Divisors: 1 3 7 9 21 63 89 223 267 623 669 801 1561 1869 2007 4683 5607 14049 19847 24097 59541 72291 138929 168679 178623 216873 416787 506037 1250361 1518111 2144633 5373631 6433899 15012431 16120893 19301697 37615417 45037293 48362679 112846251 135111879 338538753 478253159 1434759477 3347772113 4304278431 10043316339 30129949017