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145106313552 = 24321007682733
BaseRepresentation
bin1000011100100100000…
…0101010000101010000
3111212112201010111002100
42013021000222011100
54334134204013202
6150354431520400
713324604212554
oct2071100520520
9455481114070
10145106313552
11565a2805092
1224157989100
13108b6764cc5
147047885864
153b9417841c
hex21c902a150

145106313552 has 30 divisors (see below), whose sum is σ = 406096141802. Its totient is φ = 48368771136.

The previous prime is 145106313481. The next prime is 145106313559. The reversal of 145106313552 is 255313601541.

145106313552 is a `hidden beast` number, since 1 + 4 + 5 + 10 + 631 + 3 + 5 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83206863936 + 61899449616 = 288456^2 + 248796^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145106313559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503841223 + ... + 503841510.

Almost surely, 2145106313552 is an apocalyptic number.

145106313552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145106313552 is an abundant number, since it is smaller than the sum of its proper divisors (260989828250).

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

145106313552 is a wasteful number, since it uses less digits than its factorization.

145106313552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007682747 (or 1007682738 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 145106313552 in words is "one hundred forty-five billion, one hundred six million, three hundred thirteen thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1007682733 2015365466 3023048199 4030730932 6046096398 8061461864 9069144597 12092192796 16122923728 18138289194 24184385592 36276578388 48368771184 72553156776 145106313552