Search a number
-
+
307293367680 = 2735513314903
BaseRepresentation
bin1000111100011000001…
…11001010110110000000
31002101011210200111100000
410132030013022312000
520013314100231210
6353100231200000
731126005346065
oct4361407126600
91071153614300
10307293367680
111093601053a2
124b67bb16000
1322c92b4c8a0
1410c31a26c6c
157ed7b26ac0
hex478c1cad80

307293367680 has 768 divisors, whose sum is σ = 1223548784640. Its totient is φ = 73186467840.

The previous prime is 307293367663. The next prime is 307293367697. The reversal of 307293367680 is 86763392703.

It is an interprime number because it is at equal distance from previous prime (307293367663) and next prime (307293367697).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62672109 + ... + 62677011.

It is an arithmetic number, because the mean of its divisors is an integer number (1593162480).

Almost surely, 2307293367680 is an apocalyptic number.

307293367680 is a gapful number since it is divisible by the number (30) 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 307293367680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611774392320).

307293367680 is an abundant number, since it is smaller than the sum of its proper divisors (916255416960).

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

307293367680 is a wasteful number, since it uses less digits than its factorization.

307293367680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981 (or 4957 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 307293367680 in words is "three hundred seven billion, two hundred ninety-three million, three hundred sixty-seven thousand, six hundred eighty".