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125454131201 = 7241347214309
BaseRepresentation
bin111010011010110100…
…1100010000000000001
3102222211010002011221202
41310311221202000001
54023412224144301
6133344405230545
712030604343360
oct1646551420001
9388733064852
10125454131201
114922864a673
1220392402455
13baa415b139
14610185d7d7
1533e3c1466b
hex1d35a62001

125454131201 has 16 divisors (see below), whose sum is σ = 144386647680. Its totient is φ = 106776817920.

The previous prime is 125454131147. The next prime is 125454131233. The reversal of 125454131201 is 102131454521.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125454131201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125454131251) 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, 478235 + ... + 692543.

It is an arithmetic number, because the mean of its divisors is an integer number (9024165480).

Almost surely, 2125454131201 is an apocalyptic number.

It is an amenable number.

125454131201 is a deficient number, since it is larger than the sum of its proper divisors (18932516479).

125454131201 is a wasteful number, since it uses less digits than its factorization.

125454131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214904.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 125454131201 its reverse (102131454521), we get a palindrome (227585585722).

The spelling of 125454131201 in words is "one hundred twenty-five billion, four hundred fifty-four million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 7 241 347 1687 2429 83627 214309 585389 1500163 51648469 74365223 361539283 520556561 17922018743 125454131201