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1201450315252 = 2211171606216999
BaseRepresentation
bin10001011110111100000…
…001001110110111110100
311020212011010201202111011
4101132330001032313310
5124141032240042002
62315534425522004
7152542026115255
oct21367401166764
94225133652434
101201450315252
11423594421440
12174a23343304
13893b0c02205
1442216db6b2c
15213bc1bd8d7
hex117bc04edf4

1201450315252 has 24 divisors (see below), whose sum is σ = 2428600104000. Its totient is φ = 513989439360.

The previous prime is 1201450315229. The next prime is 1201450315277. The reversal of 1201450315252 is 2525130541021.

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, 803107752 + ... + 803109247.

It is an arithmetic number, because the mean of its divisors is an integer number (101191671000).

Almost surely, 21201450315252 is an apocalyptic number.

It is an amenable number.

1201450315252 is an abundant number, since it is smaller than the sum of its proper divisors (1227149788748).

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

1201450315252 is a wasteful number, since it uses less digits than its factorization.

1201450315252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606217031 (or 1606217029 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1201450315252 its reverse (2525130541021), we get a palindrome (3726580856273).

The spelling of 1201450315252 in words is "one trillion, two hundred one billion, four hundred fifty million, three hundred fifteen thousand, two hundred fifty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 1606216999 3212433998 6424867996 17668386989 27305688983 35336773978 54611377966 70673547956 109222755932 300362578813 600725157626 1201450315252