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69241905816 = 2335948899651
BaseRepresentation
bin100000001111100100…
…0111010001010011000
320121201120212021011020
41000133020322022120
52113301411441231
651450450202440
75000610326346
oct1003710721230
9217646767136
1069241905816
1127402283756
1211504b83420
1366b6377905
1434cc078996
151c03cb5396
hex101f23a298

69241905816 has 32 divisors (see below), whose sum is σ = 176038747200. Its totient is φ = 22689437600.

The previous prime is 69241905791. The next prime is 69241905823. The reversal of 69241905816 is 61850914296.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448410 + ... + 24451241.

It is an arithmetic number, because the mean of its divisors is an integer number (5501210850).

Almost surely, 269241905816 is an apocalyptic number.

It is an amenable number.

69241905816 is an abundant number, since it is smaller than the sum of its proper divisors (106796841384).

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

69241905816 is a wasteful number, since it uses less digits than its factorization.

69241905816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48899719 (or 48899715 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 69241905816 in words is "sixty-nine billion, two hundred forty-one million, nine hundred five thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 48899651 97799302 146698953 195598604 293397906 391197208 586795812 1173591624 2885079409 5770158818 8655238227 11540317636 17310476454 23080635272 34620952908 69241905816