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1101150157 = 2549431993
BaseRepresentation
bin100000110100010…
…0011011111001101
32211202000020001011
41001220203133031
54223343301112
6301133245221
736200423212
oct10150433715
92752006034
101101150157
11515630458
12268933811
13147194353
14a635bb09
1566a11aa7
hex41a237cd

1101150157 has 4 divisors (see below), whose sum is σ = 1101584700. Its totient is φ = 1100715616.

The previous prime is 1101150151. The next prime is 1101150199. The reversal of 1101150157 is 7510511011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7510511011 = 23326543957.

It can be written as a sum of positive squares in 2 ways, for example, as 1025216361 + 75933796 = 32019^2 + 8714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1101150157 is a prime.

It is a super-2 number, since 2×11011501572 = 2425063336522249298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101150151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213448 + ... + 218545.

It is an arithmetic number, because the mean of its divisors is an integer number (275396175).

Almost surely, 21101150157 is an apocalyptic number.

It is an amenable number.

1101150157 is a deficient number, since it is larger than the sum of its proper divisors (434543).

1101150157 is an equidigital number, since it uses as much as digits as its factorization.

1101150157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434542.

The product of its (nonzero) digits is 175, while the sum is 22.

The square root of 1101150157 is about 33183.5826426262. The cubic root of 1101150157 is about 1032.6397732242.

Adding to 1101150157 its reverse (7510511011), we get a palindrome (8611661168).

The spelling of 1101150157 in words is "one billion, one hundred one million, one hundred fifty thousand, one hundred fifty-seven".

Divisors: 1 2549 431993 1101150157