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1445902308980 = 225151552186719
BaseRepresentation
bin10101000010100110011…
…111100101011001110100
312010020010102021200202122
4111002212133211121310
5142142201442341410
63024123252255112
7206314543561523
oct25024637453164
95106112250678
101445902308980
11508227182438
121b4285911498
13a646a73c64c
144dda6a364ba
1527927dd3e55
hex150a67e5674

1445902308980 has 48 divisors (see below), whose sum is σ = 3057092290560. Its totient is φ = 574420032000.

The previous prime is 1445902308943. The next prime is 1445902308989. The reversal of 1445902308980 is 898032095441.

It is a super-2 number, since 2×14459023089802 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445902308989) 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, 16630061 + ... + 16716779.

It is an arithmetic number, because the mean of its divisors is an integer number (63689422720).

Almost surely, 21445902308980 is an apocalyptic number.

1445902308980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445902308980 is an abundant number, since it is smaller than the sum of its proper divisors (1611189981580).

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

1445902308980 is a wasteful number, since it uses less digits than its factorization.

1445902308980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92400 (or 92398 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 1445902308980 in words is "one trillion, four hundred forty-five billion, nine hundred two million, three hundred eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 5521 11042 22084 27605 55210 86719 110420 173438 346876 433595 833671 867190 1667342 1734380 3334684 4168355 8336710 13094569 16673420 26189138 52378276 65472845 130945690 261891380 478775599 957551198 1915102396 2393877995 4787755990 9575511980 72295115449 144590230898 289180461796 361475577245 722951154490 1445902308980