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145111707221706 = 23310492561729111
BaseRepresentation
bin100000111111101001110011…
…110000101111111011001010
3201000210112200101012111022000
4200333221303300233323022
5123010002234022043311
61232343221545011430
742364655244542361
oct4077516360577312
9630715611174260
10145111707221706
1142267590743845
1214337755183b76
1362c7c8a8a9204
1427b963089c7d8
1511b9a4db34056
hex83fa73c2feca

145111707221706 has 32 divisors (see below), whose sum is σ = 322777868112000. Its totient is φ = 48324457931040.

The previous prime is 145111707221683. The next prime is 145111707221707. The reversal of 145111707221706 is 607122707111541.

145111707221706 is a `hidden beast` number, since 1 + 451 + 1 + 1 + 7 + 0 + 7 + 22 + 170 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (145111707221707) 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, 1280807910 + ... + 1280921201.

It is an arithmetic number, because the mean of its divisors is an integer number (10086808378500).

Almost surely, 2145111707221706 is an apocalyptic number.

145111707221706 is an abundant number, since it is smaller than the sum of its proper divisors (177666160890294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145111707221706 is a wasteful number, since it uses less digits than its factorization.

145111707221706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561730171 (or 2561730165 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 45.

The spelling of 145111707221706 in words is "one hundred forty-five trillion, one hundred eleven billion, seven hundred seven million, two hundred twenty-one thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 27 54 1049 2098 3147 6294 9441 18882 28323 56646 2561729111 5123458222 7685187333 15370374666 23055561999 46111123998 69166685997 138333371994 2687253837439 5374507674878 8061761512317 16123523024634 24185284536951 48370569073902 72555853610853 145111707221706