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15120211300401 = 375158971138061
BaseRepresentation
bin1101110000000111001011…
…0100101101000000110001
31222112110220112010011101210
43130001302310231000301
53440212143043103101
652054043522550333
73120253634323134
oct334016264550061
958473815104353
1015120211300401
1148aa49a106829
1218424942083a9
13858aa311986c
143a3b71d0221b
151b34a0e577d6
hexdc072d2d031

15120211300401 has 16 divisors (see below), whose sum is σ = 20190567345408. Its totient is φ = 10065002640000.

The previous prime is 15120211300399. The next prime is 15120211300423. The reversal of 15120211300401 is 10400311202151.

It is not a de Polignac number, because 15120211300401 - 21 = 15120211300399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15120211300451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12716911 + ... + 13854971.

It is an arithmetic number, because the mean of its divisors is an integer number (1261910459088).

Almost surely, 215120211300401 is an apocalyptic number.

It is an amenable number.

15120211300401 is a deficient number, since it is larger than the sum of its proper divisors (5070356045007).

15120211300401 is a wasteful number, since it uses less digits than its factorization.

15120211300401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144712.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 15120211300401 its reverse (10400311202151), we get a palindrome (25520522502552).

The spelling of 15120211300401 in words is "fifteen trillion, one hundred twenty billion, two hundred eleven million, three hundred thousand, four hundred one".

Divisors: 1 3 751 2253 5897 17691 1138061 3414183 4428647 13285941 854683811 2564051433 6711145717 20133437151 5040070433467 15120211300401