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42949672960 = 2335
BaseRepresentation
bin101000000000000000…
…000000000000000000
311002212020101110010011
4220000000000000000
51200430104013320
631421504314304
73050222124265
oct500000000000
9132766343104
1042949672960
111723aa74a97
1283a7912994
1340861c588c
14211623326c
1511b593905a
hexa00000000

42949672960 has 68 divisors (see below), whose sum is σ = 103079215098. Its totient is φ = 17179869184.

The previous prime is 42949672949. The next prime is 42949672979. The reversal of 42949672960 is 6927694924.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38654705664 + 4294967296 = 196608^2 + 65536^2 .

It is a nialpdrome in base 4, base 8 and base 16.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 42949672895 and 42949672904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 42949672960 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8589934590 + ... + 8589934594.

Almost surely, 242949672960 is an apocalyptic number.

42949672960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42949672960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51539607549).

42949672960 is an abundant number, since it is smaller than the sum of its proper divisors (60129542138).

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

42949672960 is an frugal number, since it uses more digits than its factorization.

42949672960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 42949672960 in words is "forty-two billion, nine hundred forty-nine million, six hundred seventy-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 8192 10240 16384 20480 32768 40960 65536 81920 131072 163840 262144 327680 524288 655360 1048576 1310720 2097152 2621440 4194304 5242880 8388608 10485760 16777216 20971520 33554432 41943040 67108864 83886080 134217728 167772160 268435456 335544320 536870912 671088640 1073741824 1342177280 2147483648 2684354560 4294967296 5368709120 8589934592 10737418240 21474836480 42949672960