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1230020537132 = 221318723318809
BaseRepresentation
bin10001111001100010111…
…011111110101100101100
311100120220020122102000002
4101321202323332230230
5130123040224142012
62341021424523432
7154603025025632
oct21714273765454
94316806572002
101230020537132
11434715587a62
1217a477480578
138bcb4cc084a
144376759b352
1521ee051e7c2
hex11e62efeb2c

1230020537132 has 12 divisors (see below), whose sum is σ = 2152699263960. Its totient is φ = 614963604576.

The previous prime is 1230020537117. The next prime is 1230020537177. The reversal of 1230020537132 is 2317350200321.

It is a junction number, because it is equal to n+sod(n) for n = 1230020537095 and 1230020537104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11606657 + ... + 11712152.

It is an arithmetic number, because the mean of its divisors is an integer number (179391605330).

Almost surely, 21230020537132 is an apocalyptic number.

It is an amenable number.

1230020537132 is a deficient number, since it is larger than the sum of its proper divisors (922678726828).

1230020537132 is a wasteful number, since it uses less digits than its factorization.

1230020537132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23332000 (or 23331998 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 1230020537132 its reverse (2317350200321), we get a palindrome (3547370737453).

The spelling of 1230020537132 in words is "one trillion, two hundred thirty billion, twenty million, five hundred thirty-seven thousand, one hundred thirty-two".

Divisors: 1 2 4 13187 26374 52748 23318809 46637618 93275236 307505134283 615010268566 1230020537132