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212616961075 = 52531391736673
BaseRepresentation
bin1100011000000011110…
…1010101110000110011
3202022210122022201100001
43012000331111300303
511440414420223300
6241401435210431
721234563231041
oct3060075256063
9668718281301
10212616961075
1182196805862
1235258ba6a17
131708523a70c
14a40da1d391
1557e5e6316a
hex3180f55c33

212616961075 has 48 divisors (see below), whose sum is σ = 272156643360. Its totient is φ = 164701255680.

The previous prime is 212616961043. The next prime is 212616961079. The reversal of 212616961075 is 570169616212.

It is not a de Polignac number, because 212616961075 - 25 = 212616961043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212616961079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31858939 + ... + 31865611.

It is an arithmetic number, because the mean of its divisors is an integer number (5669930070).

Almost surely, 2212616961075 is an apocalyptic number.

212616961075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212616961075 is a deficient number, since it is larger than the sum of its proper divisors (59539682285).

212616961075 is a wasteful number, since it uses less digits than its factorization.

212616961075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048 (or 7043 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 212616961075 in words is "two hundred twelve billion, six hundred sixteen million, nine hundred sixty-one thousand, seventy-five".

Divisors: 1 5 25 53 139 173 265 695 865 1325 3475 4325 6673 7367 9169 24047 33365 36835 45845 120235 166825 184175 229225 353669 601175 927547 1154429 1274491 1768345 4637735 5772145 6372455 8841725 23188675 28860725 31862275 49159991 61184737 160465631 245799955 305923685 802328155 1228999775 1529618425 4011640775 8504678443 42523392215 212616961075