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29754660972 = 22319711838069
BaseRepresentation
bin11011101101100001…
…000001100001101100
32211210122122101111110
4123231201001201230
5441414143122342
621400305352020
72102230305501
oct335541014154
984718571443
1029754660972
1111689804203
125924938610
132a625c508a
141623a234a8
15b92315c9c
hex6ed84186c

29754660972 has 48 divisors (see below), whose sum is σ = 74110982400. Its totient is φ = 9263862720.

The previous prime is 29754660931. The next prime is 29754660977. The reversal of 29754660972 is 27906645792.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (29754660977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902847 + ... + 935222.

It is an arithmetic number, because the mean of its divisors is an integer number (1543978800).

Almost surely, 229754660972 is an apocalyptic number.

It is an amenable number.

29754660972 is an abundant number, since it is smaller than the sum of its proper divisors (44356321428).

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

29754660972 is a wasteful number, since it uses less digits than its factorization.

29754660972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838166 (or 1838164 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 29754660972 in words is "twenty-nine billion, seven hundred fifty-four million, six hundred sixty thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 71 76 114 142 213 228 284 426 852 1349 2698 4047 5396 8094 16188 1838069 3676138 5514207 7352276 11028414 22056828 34923311 69846622 104769933 130502899 139693244 209539866 261005798 391508697 419079732 522011596 783017394 1566034788 2479555081 4959110162 7438665243 9918220324 14877330486 29754660972