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312123002102 = 22694637731621
BaseRepresentation
bin1001000101010111111…
…10110000110011110110
31002211122101111100020222
410202223332300303312
520103211442031402
6355215355054342
731356461512652
oct4425376606366
91084571440228
10312123002102
111104093301aa
12505a94413b2
13235825cb932
141116d21ba62
1581bbb297a2
hex48abfb0cf6

312123002102 has 32 divisors (see below), whose sum is σ = 471840059520. Its totient is φ = 154849242240.

The previous prime is 312123002077. The next prime is 312123002137. The reversal of 312123002102 is 201200321213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192548852 + ... + 192550472.

It is an arithmetic number, because the mean of its divisors is an integer number (14745001860).

Almost surely, 2312123002102 is an apocalyptic number.

312123002102 is a deficient number, since it is larger than the sum of its proper divisors (159717057418).

312123002102 is a wasteful number, since it uses less digits than its factorization.

312123002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312123002102 its reverse (201200321213), we get a palindrome (513323323315).

The spelling of 312123002102 in words is "three hundred twelve billion, one hundred twenty-three million, two thousand, one hundred two".

Divisors: 1 2 269 463 538 773 926 1546 1621 3242 124547 207937 249094 357899 415874 436049 715798 750523 872098 1253033 1501046 2506066 96274831 192549662 201890687 337065877 403781374 580154279 674131754 1160308558 156061501051 312123002102