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1200030031002 = 231122416858647
BaseRepresentation
bin10001011101100111010…
…111010001110010011010
311020201111011012211202210
4101131213113101302122
5124130130141443002
62315141452135550
7152461601650665
oct21354727216232
94221434184683
101200030031002
11422a25738900
121746a77675b6
13892158a0b2a
14421205046dc
152133766d96c
hex117675d1c9a

1200030031002 has 48 divisors (see below), whose sum is σ = 2649029334336. Its totient is φ = 362136508800.

The previous prime is 1200030030973. The next prime is 1200030031049. The reversal of 1200030031002 is 2001300300021.

It is a happy number.

It is a super-2 number, since 2×12000300310022 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3254358 + ... + 3604289.

It is an arithmetic number, because the mean of its divisors is an integer number (55188111132).

Almost surely, 21200030031002 is an apocalyptic number.

1200030031002 is an abundant number, since it is smaller than the sum of its proper divisors (1448999303334).

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

1200030031002 is a wasteful number, since it uses less digits than its factorization.

1200030031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858915 (or 6858904 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1200030031002 its reverse (2001300300021), we get a palindrome (3201330331023).

The spelling of 1200030031002 in words is "one trillion, two hundred billion, thirty million, thirty-one thousand, two".

Divisors: 1 2 3 6 11 22 33 66 121 241 242 363 482 723 726 1446 2651 5302 7953 15906 29161 58322 87483 174966 6858647 13717294 20575941 41151882 75445117 150890234 226335351 452670702 829896287 1652933927 1659792574 2489688861 3305867854 4958801781 4979377722 9917603562 18182273197 36364546394 54546819591 109093639182 200005005167 400010010334 600015015501 1200030031002