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2312101313120 = 25547307460281
BaseRepresentation
bin100001101001010011111…
…110100011101001100000
322012000221022112021112102
4201221103332203221200
5300340140414004440
64530055323145532
7326021011615604
oct41512376435140
98160838467472
102312101313120
11811613a07805
123141260752a8
1313a05150ab91
147dc98c63504
1540222c70b15
hex21a53fa3a60

2312101313120 has 48 divisors (see below), whose sum is σ = 5578559356608. Its totient is φ = 905163064320.

The previous prime is 2312101313101. The next prime is 2312101313129. The reversal of 2312101313120 is 213131012132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2312101313092 and 2312101313101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312101313129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153722621 + ... + 153737660.

It is an arithmetic number, because the mean of its divisors is an integer number (116219986596).

Almost surely, 22312101313120 is an apocalyptic number.

2312101313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312101313120 is an abundant number, since it is smaller than the sum of its proper divisors (3266458043488).

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

2312101313120 is a wasteful number, since it uses less digits than its factorization.

2312101313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307460343 (or 307460335 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2312101313120 its reverse (213131012132), we get a palindrome (2525232325252).

The spelling of 2312101313120 in words is "two trillion, three hundred twelve billion, one hundred one million, three hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 47 80 94 160 188 235 376 470 752 940 1504 1880 3760 7520 307460281 614920562 1229841124 1537301405 2459682248 3074602810 4919364496 6149205620 9838728992 12298411240 14450633207 24596822480 28901266414 49193644960 57802532828 72253166035 115605065656 144506332070 231210131312 289012664140 462420262624 578025328280 1156050656560 2312101313120