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307378536712 = 23138337395467
BaseRepresentation
bin1000111100100010011…
…00000100000100001000
31002101101201221112021121
410132101030010010020
520014002401133322
6353112512445024
731131061311232
oct4362114040410
91071351845247
10307378536712
111093a4197125
124b6a4549774
1322ca769c970
1410c3d077252
157ee034bec7
hex4791304108

307378536712 has 64 divisors (see below), whose sum is σ = 629836764480. Its totient is φ = 139780553472.

The previous prime is 307378536679. The next prime is 307378536719. The reversal of 307378536712 is 217635873703.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 307378536712.

It is not an unprimeable number, because it can be changed into a prime (307378536719) 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, 3172003 + ... + 3267469.

It is an arithmetic number, because the mean of its divisors is an integer number (9841199445).

Almost surely, 2307378536712 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 307378536712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314918382240).

307378536712 is an abundant number, since it is smaller than the sum of its proper divisors (322458227768).

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

307378536712 is a wasteful number, since it uses less digits than its factorization.

307378536712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95942 (or 95938 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 307378536712 in words is "three hundred seven billion, three hundred seventy-eight million, five hundred thirty-six thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 26 52 83 104 166 332 373 664 746 1079 1492 2158 2984 4316 4849 8632 9698 19396 30959 38792 61918 95467 123836 190934 247672 381868 402467 763736 804934 1241071 1609868 2482142 3219736 4964284 7923761 9928568 15847522 31695044 35609191 63390088 71218382 103008893 142436764 206017786 284873528 412035572 462919483 824071144 925838966 1851677932 2955562853 3703355864 5911125706 11822251412 23644502824 38422317089 76844634178 153689268356 307378536712