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210985030272 = 2731573499619
BaseRepresentation
bin1100010001111110110…
…0000001001010000000
3202011120220120001010110
43010133230001022000
511424044131432042
6240531501231320
721146256111222
oct3043754011200
9664526501113
10210985030272
1181529605015
1234a82562540
1316b85104ba3
14a2d6db6412
15574ca5809c
hex311fb01280

210985030272 has 64 divisors (see below), whose sum is σ = 563998759200. Its totient is φ = 69880372224.

The previous prime is 210985030271. The next prime is 210985030279. The reversal of 210985030272 is 272030589012.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 210985030272.

It is not an unprimeable number, because it can be changed into a prime (210985030271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1689522 + ... + 1810097.

Almost surely, 2210985030272 is an apocalyptic number.

It is an amenable number.

210985030272 is an abundant number, since it is smaller than the sum of its proper divisors (353013728928).

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

210985030272 is a wasteful number, since it uses less digits than its factorization.

210985030272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499793 (or 3499781 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 210985030272 in words is "two hundred ten billion, nine hundred eighty-five million, thirty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 157 192 314 384 471 628 942 1256 1884 2512 3768 5024 7536 10048 15072 20096 30144 60288 3499619 6999238 10498857 13998476 20997714 27996952 41995428 55993904 83990856 111987808 167981712 223975616 335963424 447951232 549440183 671926848 1098880366 1343853696 1648320549 2197760732 3296641098 4395521464 6593282196 8791042928 13186564392 17582085856 26373128784 35164171712 52746257568 70328343424 105492515136 210985030272