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29997465397264 = 2423612347569369
BaseRepresentation
bin1101101001000010101000…
…10001001110100000010000
310221012201200221101121011201
412310201110101032200100
512412434302120203024
6143444351221520544
76214150104541651
oct664412421164020
9127181627347151
1029997465397264
119615943203552
123445862573154
1313979972b5b11
14759c568cd528
15370482515744
hex1b485444e810

29997465397264 has 80 divisors (see below), whose sum is σ = 61667635697280. Its totient is φ = 14105386183680.

The previous prime is 29997465397223. The next prime is 29997465397279. The reversal of 29997465397264 is 46279356479992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52400772 + ... + 52970140.

It is an arithmetic number, because the mean of its divisors is an integer number (770845446216).

Almost surely, 229997465397264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29997465397264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30833817848640).

29997465397264 is an abundant number, since it is smaller than the sum of its proper divisors (31670170300016).

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

29997465397264 is a wasteful number, since it uses less digits than its factorization.

29997465397264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571808 (or 571802 counting only the distinct ones).

The product of its digits is 11110659840, while the sum is 82.

The spelling of 29997465397264 in words is "twenty-nine trillion, nine hundred ninety-seven billion, four hundred sixty-five million, three hundred ninety-seven thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 23 46 61 92 122 184 244 368 488 976 1403 2347 2806 4694 5612 9388 11224 18776 22448 37552 53981 107962 143167 215924 286334 431848 569369 572668 863696 1138738 1145336 2277476 2290672 3292841 4554952 6585682 9109904 13095487 13171364 26190974 26342728 34731509 52381948 52685456 69463018 104763896 138926036 209527792 277852072 555704144 798824707 1336309043 1597649414 2672618086 3195298828 5345236172 6390597656 10690472344 12781195312 21380944688 30735107989 61470215978 81514851623 122940431956 163029703246 245880863912 326059406492 491761727824 652118812984 1304237625968 1874841587329 3749683174658 7499366349316 14998732698632 29997465397264