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69713894912 = 29401457743
BaseRepresentation
bin100000011101101000…
…1011001111000000000
320122221110222210110212
41000323101121320000
52120233224114122
652005350413252
75015401221014
oct1007321317000
9218843883425
1069713894912
1127624749092
1211617061228
1367600a31bc
143534a1c544
151c30448ce2
hex103b459e00

69713894912 has 80 divisors (see below), whose sum is σ = 140132896992. Its totient is φ = 34647244800.

The previous prime is 69713894881. The next prime is 69713894917. The reversal of 69713894912 is 21949831796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69713894917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93827213 + ... + 93827955.

Almost surely, 269713894912 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 69713894912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70066448496).

69713894912 is an abundant number, since it is smaller than the sum of its proper divisors (70419002080).

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

69713894912 is an equidigital number, since it uses as much as digits as its factorization.

69713894912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1603 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 59.

The spelling of 69713894912 in words is "sixty-nine billion, seven hundred thirteen million, eight hundred ninety-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 401 457 512 743 802 914 1486 1604 1828 2972 3208 3656 5944 6416 7312 11888 12832 14624 23776 25664 29248 47552 51328 58496 95104 102656 116992 183257 190208 205312 233984 297943 339551 366514 380416 595886 679102 733028 1191772 1358204 1466056 2383544 2716408 2932112 4767088 5432816 5864224 9534176 10865632 11728448 19068352 21731264 23456896 38136704 43462528 46913792 76273408 86925056 93827584 136159951 152546816 173850112 272319902 544639804 1089279608 2178559216 4357118432 8714236864 17428473728 34856947456 69713894912