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153445046306772 = 2231117137829602081
BaseRepresentation
bin100010111000111010110101…
…011110100100011111010100
3202010022012111002212220212210
4202320322311132210133110
5130103020423323304042
61302203403042313420
744215016202203103
oct4270726536443724
9663265432786783
10153445046306772
114498a751377340
1215262817658870
136780a623ac62c
1429c6acbd5a03a
1512b16d00a5a9c
hex8b8eb57a47d4

153445046306772 has 192 divisors, whose sum is σ = 417085032349440. Its totient is φ = 43391375769600.

The previous prime is 153445046306749. The next prime is 153445046306777. The reversal of 153445046306772 is 277603640544351.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153445046306777) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254556772 + ... + 255158852.

It is an arithmetic number, because the mean of its divisors is an integer number (2172317876820).

Almost surely, 2153445046306772 is an apocalyptic number.

153445046306772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153445046306772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208542516174720).

153445046306772 is an abundant number, since it is smaller than the sum of its proper divisors (263639986042668).

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

153445046306772 is a wasteful number, since it uses less digits than its factorization.

153445046306772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603082 (or 603080 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 57.

The spelling of 153445046306772 in words is "one hundred fifty-three trillion, four hundred forty-five billion, forty-six million, three hundred six thousand, seven hundred seventy-two".