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10121551154 = 21113173076781
BaseRepresentation
bin10010110110100101…
…01001110100110010
3222010101111001221222
421123102221310302
5131212104114104
64352203545042
7505551523331
oct113322516462
928111431858
1010121551154
114324396210
121b6582b182
13c53c38430
146c0363d18
153e38bd1be
hex25b4a9d32

10121551154 has 64 divisors (see below), whose sum is σ = 18950101632. Its totient is φ = 3983385600.

The previous prime is 10121551151. The next prime is 10121551157. The reversal of 10121551154 is 45115512101.

It is a happy number.

10121551154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10121551151) and next prime (10121551157).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (10121551151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489244 + ... + 1496024.

It is an arithmetic number, because the mean of its divisors is an integer number (296095338).

Almost surely, 210121551154 is an apocalyptic number.

10121551154 is a deficient number, since it is larger than the sum of its proper divisors (8828550478).

10121551154 is a wasteful number, since it uses less digits than its factorization.

10121551154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131.

The product of its (nonzero) digits is 1000, while the sum is 26.

The spelling of 10121551154 in words is "ten billion, one hundred twenty-one million, five hundred fifty-one thousand, one hundred fifty-four".

Divisors: 1 2 11 13 17 22 26 34 143 187 221 286 307 374 442 614 2431 3377 3991 4862 5219 6754 6781 7982 10438 13562 43901 57409 67847 74591 87802 88153 114818 115277 135694 149182 176306 230554 746317 969683 1268047 1492634 1498601 1939366 2081767 2536094 2997202 4163534 16484611 22899437 27062971 32969222 35390039 45798874 54125942 70780078 297692681 389290429 460070507 595385362 778580858 920141014 5060775577 10121551154