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986988951373 = 412836970157
BaseRepresentation
bin11100101110011010010…
…00000011011101001101
310111100120221211200011011
432113031020003131031
5112132323132420443
62033225542325221
7131210335443445
oct16271510033515
93440527750134
10986988951373
11350641594547
1213b350729811
13720c3828bb9
1435ab0443125
151aa19380b9d
hexe5cd20374d

986988951373 has 12 divisors (see below), whose sum is σ = 1011784298580. Its totient is φ = 962787269120.

The previous prime is 986988951337. The next prime is 986988951419. The reversal of 986988951373 is 373159889689.

986988951373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 351338336644 + 635650614729 = 592738^2 + 797277^2 .

It is not a de Polignac number, because 986988951373 - 29 = 986988950861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 986988951373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986988951313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14033211 + ... + 14103367.

It is an arithmetic number, because the mean of its divisors is an integer number (84315358215).

Almost surely, 2986988951373 is an apocalyptic number.

It is an amenable number.

986988951373 is a deficient number, since it is larger than the sum of its proper divisors (24795347207).

986988951373 is an equidigital number, since it uses as much as digits as its factorization.

986988951373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78608 (or 78567 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 76.

The spelling of 986988951373 in words is "nine hundred eighty-six billion, nine hundred eighty-eight million, nine hundred fifty-one thousand, three hundred seventy-three".

Divisors: 1 41 1681 8369 70157 343129 2876437 14068289 117933917 587143933 24072901253 986988951373