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189958300492680 = 233351723261320627
BaseRepresentation
bin101011001100010000011101…
…000001011110001110001000
3220220120211120120102100111000
4223030100131001132032020
5144344234044411231210
61512001345531135000
755004014524655446
oct5314203501361610
9826524516370430
10189958300492680
1155587954475295
121937b2365a4460
1381cbcb5c47b95
1434ca06072db96
1516e63b835bac0
hexacc41d05e388

189958300492680 has 768 divisors, whose sum is σ = 712349744198400. Its totient is φ = 44855218298880.

The previous prime is 189958300492679. The next prime is 189958300492687. The reversal of 189958300492680 is 86294003859981.

189958300492680 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 58 + 3 + 0 + 0 + 492 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 189958300492599 and 189958300492608.

It is not an unprimeable number, because it can be changed into a prime (189958300492687) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 592298527 + ... + 592619153.

It is an arithmetic number, because the mean of its divisors is an integer number (927538729425).

Almost surely, 2189958300492680 is an apocalyptic number.

189958300492680 is a gapful number since it is divisible by the number (10) 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 189958300492680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356174872099200).

189958300492680 is an abundant number, since it is smaller than the sum of its proper divisors (522391443705720).

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

189958300492680 is a wasteful number, since it uses less digits than its factorization.

189958300492680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320771 (or 320738 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 189958300492680 in words is "one hundred eighty-nine trillion, nine hundred fifty-eight billion, three hundred million, four hundred ninety-two thousand, six hundred eighty".