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147161021490 = 23257233588923
BaseRepresentation
bin1000100100001101111…
…0101111110000110010
3112001211220102110111100
42021003132233300302
54402341210141430
6151334351225230
713426534020660
oct2110336576062
9461756373440
10147161021490
115745761861a
122462bb18216
1310b53355612
1471a0701c30
153c64745960
hex22437afc32

147161021490 has 48 divisors (see below), whose sum is σ = 437278465728. Its totient is φ = 33636804768.

The previous prime is 147161021489. The next prime is 147161021521. The reversal of 147161021490 is 94120161741.

147161021490 is a `hidden beast` number, since 1 + 4 + 7 + 161 + 0 + 2 + 1 + 490 = 666.

147161021490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116793832 + ... + 116795091.

It is an arithmetic number, because the mean of its divisors is an integer number (9109968036).

Almost surely, 2147161021490 is an apocalyptic number.

147161021490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147161021490 is an abundant number, since it is smaller than the sum of its proper divisors (290117444238).

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

147161021490 is a wasteful number, since it uses less digits than its factorization.

147161021490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233588943 (or 233588940 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 147161021490 in words is "one hundred forty-seven billion, one hundred sixty-one million, twenty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 233588923 467177846 700766769 1167944615 1401533538 1635122461 2102300307 2335889230 3270244922 3503833845 4204600614 4905367383 7007667690 8175612305 9810734766 10511501535 14716102149 16351224610 21023003070 24526836915 29432204298 49053673830 73580510745 147161021490