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151121377 = 1128914033
BaseRepresentation
bin10010000000111…
…10110111100001
3101112100202120001
421000132313201
5302141341002
622555020001
73513340051
oct1100366741
9345322501
10151121377
1178338800
124273a601
1325402444
14160db561
15d401a87
hex901ede1

151121377 has 12 divisors (see below), whose sum is σ = 167986980. Its totient is φ = 135829760.

The previous prime is 151121371. The next prime is 151121387. The reversal of 151121377 is 773121151.

It can be written as a sum of positive squares in 2 ways, for example, as 23001616 + 128119761 = 4796^2 + 11319^2 .

It is not a de Polignac number, because 151121377 - 219 = 150597089 is a prime.

It is a super-2 number, since 2×1511213772 = 45675341172752258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151121371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3753 + ... + 17785.

It is an arithmetic number, because the mean of its divisors is an integer number (13998915).

Almost surely, 2151121377 is an apocalyptic number.

It is an amenable number.

151121377 is a deficient number, since it is larger than the sum of its proper divisors (16865603).

151121377 is a wasteful number, since it uses less digits than its factorization.

151121377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14144 (or 14133 counting only the distinct ones).

The product of its digits is 1470, while the sum is 28.

The square root of 151121377 is about 12293.1434954612. The cubic root of 151121377 is about 532.6500441937.

The spelling of 151121377 in words is "one hundred fifty-one million, one hundred twenty-one thousand, three hundred seventy-seven".

Divisors: 1 11 89 121 979 10769 14033 154363 1248937 1697993 13738307 151121377