Search a number
-
+
11157692870 = 2529183121013
BaseRepresentation
bin10100110010000110…
…01110000111000110
31001210121011112012002
422121003032013012
5140322332132440
65043100025302
7543332552552
oct123103160706
931717145162
1011157692870
114806254885
1221b4832232
13108a7bac3c
1477bbdc862
1545483d115
hex2990ce1c6

11157692870 has 32 divisors (see below), whose sum is σ = 20788729920. Its totient is φ = 4306619520.

The previous prime is 11157692839. The next prime is 11157692873. The reversal of 11157692870 is 7829675111.

It is a super-2 number, since 2×111576928702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157692873) 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, 520484 + ... + 541496.

It is an arithmetic number, because the mean of its divisors is an integer number (649647810).

Almost surely, 211157692870 is an apocalyptic number.

11157692870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11157692870 is a deficient number, since it is larger than the sum of its proper divisors (9631037050).

11157692870 is a wasteful number, since it uses less digits than its factorization.

11157692870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22880.

The product of its (nonzero) digits is 211680, while the sum is 47.

The spelling of 11157692870 in words is "eleven billion, one hundred fifty-seven million, six hundred ninety-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 29 58 145 290 1831 3662 9155 18310 21013 42026 53099 105065 106198 210130 265495 530990 609377 1218754 3046885 6093770 38474803 76949606 192374015 384748030 1115769287 2231538574 5578846435 11157692870