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145210627770 = 23513372334943
BaseRepresentation
bin1000011100111100111…
…0100101011010111010
3111212210222102012021220
42013033032211122322
54334342410042040
6150413035412510
713330311653625
oct2071716453272
9455728365256
10145210627770
115664668298a
12241868b4136
13109022593b0
14705767adbc
153b9d3d12d0
hex21cf3a56ba

145210627770 has 32 divisors (see below), whose sum is σ = 375313623552. Its totient is φ = 35744154432.

The previous prime is 145210627759. The next prime is 145210627781. The reversal of 145210627770 is 77726012541.

It is an interprime number because it is at equal distance from previous prime (145210627759) and next prime (145210627781).

It is a super-2 number, since 2×1452106277702 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186167082 + ... + 186167861.

It is an arithmetic number, because the mean of its divisors is an integer number (11728550736).

Almost surely, 2145210627770 is an apocalyptic number.

145210627770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145210627770 is an abundant number, since it is smaller than the sum of its proper divisors (230102995782).

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

145210627770 is a wasteful number, since it uses less digits than its factorization.

145210627770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372334966.

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 145210627770 in words is "one hundred forty-five billion, two hundred ten million, six hundred twenty-seven thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 372334943 744669886 1117004829 1861674715 2234009658 3723349430 4840354259 5585024145 9680708518 11170048290 14521062777 24201771295 29042125554 48403542590 72605313885 145210627770