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147244821680 = 24511239700099
BaseRepresentation
bin1000100100100001111…
…0011010110010110000
3112002001202002221202002
42021020132122302300
54403024133243210
6151350543313132
713431602222255
oct2111036326260
9462052087662
10147244821680
115749a954980
1224653bab7a8
1310b67816628
1471ab8b742c
153c6bc9a4a5
hex224879acb0

147244821680 has 80 divisors (see below), whose sum is σ = 375029568000. Its totient is φ = 53319463680.

The previous prime is 147244821679. The next prime is 147244821793. The reversal of 147244821680 is 86128442741.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139730 + ... + 560369.

It is an arithmetic number, because the mean of its divisors is an integer number (4687869600).

Almost surely, 2147244821680 is an apocalyptic number.

147244821680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147244821680 is an abundant number, since it is smaller than the sum of its proper divisors (227784746320).

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

147244821680 is a wasteful number, since it uses less digits than its factorization.

147244821680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700362 (or 700356 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 147244821680 in words is "one hundred forty-seven billion, two hundred forty-four million, eight hundred twenty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 239 440 478 880 956 1195 1912 2390 2629 3824 4780 5258 9560 10516 13145 19120 21032 26290 42064 52580 105160 210320 700099 1400198 2800396 3500495 5600792 7000990 7701089 11201584 14001980 15402178 28003960 30804356 38505445 56007920 61608712 77010890 123217424 154021780 167323661 308043560 334647322 616087120 669294644 836618305 1338589288 1673236610 1840560271 2677178576 3346473220 3681120542 6692946440 7362241084 9202801355 13385892880 14724482168 18405602710 29448964336 36811205420 73622410840 147244821680