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12002470972 = 2223831571827
BaseRepresentation
bin10110010110110011…
…10010110000111100
31010222110202200212221
423023121302300330
5144040113032342
65302554335124
7603301214512
oct131331626074
933873680787
1012002470972
1150aa09a0a8
1223ab72a4a4
13119381b43b
1481c0a24b2
154a3aaca67
hex2cb672c3c

12002470972 has 24 divisors (see below), whose sum is σ = 22181636736. Its totient is φ = 5671148208.

The previous prime is 12002470967. The next prime is 12002470999. The reversal of 12002470972 is 27907420021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778278 + ... + 793549.

It is an arithmetic number, because the mean of its divisors is an integer number (924234864).

Almost surely, 212002470972 is an apocalyptic number.

It is an amenable number.

12002470972 is a deficient number, since it is larger than the sum of its proper divisors (10179165764).

12002470972 is a wasteful number, since it uses less digits than its factorization.

12002470972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571937 (or 1571935 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 12002470972 its reverse (27907420021), we get a palindrome (39909890993).

The spelling of 12002470972 in words is "twelve billion, two million, four hundred seventy thousand, nine hundred seventy-two".

Divisors: 1 2 4 23 46 83 92 166 332 1909 3818 7636 1571827 3143654 6287308 36152021 72304042 130461641 144608084 260923282 521846564 3000617743 6001235486 12002470972