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30736149612 = 223729113111659
BaseRepresentation
bin11100101000000001…
…000110110001101100
32221100001111011210120
4130220001012301230
51000421423241422
622041530204540
72135445650430
oct345001066154
987301434716
1030736149612
1112042834143
125b59583750
132b8aa5059c
1416b81129c0
15bed58c45c
hex728046c6c

30736149612 has 96 divisors (see below), whose sum is σ = 85540492800. Its totient is φ = 8403827712.

The previous prime is 30736149601. The next prime is 30736149637. The reversal of 30736149612 is 21694163703.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219439 + ... + 331097.

It is an arithmetic number, because the mean of its divisors is an integer number (891046800).

Almost surely, 230736149612 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 30736149612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42770246400).

30736149612 is an abundant number, since it is smaller than the sum of its proper divisors (54804343188).

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

30736149612 is a wasteful number, since it uses less digits than its factorization.

30736149612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111815 (or 111813 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 30736149612 in words is "thirty billion, seven hundred thirty-six million, one hundred forty-nine thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 113 116 174 203 226 339 348 406 452 609 678 791 812 1218 1356 1582 2373 2436 3164 3277 4746 6554 9492 9831 13108 19662 22939 39324 45878 68817 91756 111659 137634 223318 275268 334977 446636 669954 781613 1339908 1563226 2344839 3126452 3238111 4689678 6476222 9379356 9714333 12617467 12952444 19428666 22666777 25234934 37852401 38857332 45333554 50469868 68000331 75704802 88322269 90667108 136000662 151409604 176644538 264966807 272001324 353289076 365906543 529933614 731813086 1059867228 1097719629 1463626172 2195439258 2561345801 4390878516 5122691602 7684037403 10245383204 15368074806 30736149612