Search a number
-
+
98887738870470 = 23511171011213143879
BaseRepresentation
bin10110011111000000011000…
…100011000100101011000110
3110222010120112112202211211110
4112133000120203010223012
5100430134042122323340
6550152222230345450
726554255232423334
oct2637003043045306
9428116475684743
1098887738870470
112956606665a090
12b1111337bb286
1343240c6097a54
141a5c299194b54
15b6746c6bb680
hex59f0188c4ac6

98887738870470 has 256 divisors, whose sum is σ = 277080227297280. Its totient is φ = 22320657408000.

The previous prime is 98887738870469. The next prime is 98887738870489. The reversal of 98887738870470 is 7407883778889.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 687225991 + ... + 687369869.

It is an arithmetic number, because the mean of its divisors is an integer number (1082344637880).

Almost surely, 298887738870470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98887738870470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138540113648640).

98887738870470 is an abundant number, since it is smaller than the sum of its proper divisors (178192488426810).

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

98887738870470 is a wasteful number, since it uses less digits than its factorization.

98887738870470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145231.

The product of its (nonzero) digits is 8497004544, while the sum is 84.

The spelling of 98887738870470 in words is "ninety-eight trillion, eight hundred eighty-seven billion, seven hundred thirty-eight million, eight hundred seventy thousand, four hundred seventy".