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102120130331211 = 3431547144386141
BaseRepresentation
bin10111001110000010110010…
…000101111100001001001011
3111101120120220110120111120010
4113032002302011330021023
5101341114011331044321
61001105201253403003
730336636012463146
oct2716026205741113
9441516813514503
10102120130331211
112a5a19a433a923
12b553695039463
1344c9b6b897b25
141b308d805305d
15bc15a3de9676
hex5ce0b217c24b

102120130331211 has 16 divisors (see below), whose sum is σ = 136725590850048. Its totient is φ = 67797955898400.

The previous prime is 102120130331147. The next prime is 102120130331311. The reversal of 102120130331211 is 112133031021201.

It is not a de Polignac number, because 102120130331211 - 26 = 102120130331147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102120130331311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71485800 + ... + 72900341.

It is an arithmetic number, because the mean of its divisors is an integer number (8545349428128).

Almost surely, 2102120130331211 is an apocalyptic number.

102120130331211 is a deficient number, since it is larger than the sum of its proper divisors (34605460518837).

102120130331211 is a wasteful number, since it uses less digits than its factorization.

102120130331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144387122.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 102120130331211 its reverse (112133031021201), we get a palindrome (214253161352412).

The spelling of 102120130331211 in words is "one hundred two trillion, one hundred twenty billion, one hundred thirty million, three hundred thirty-one thousand, two hundred eleven".

Divisors: 1 3 431 547 1293 1641 235757 707271 144386141 433158423 62230426771 78979219127 186691280313 236937657381 34040043443737 102120130331211