Search a number
-
+
1630670087740 = 2251943626915919
BaseRepresentation
bin10111101110101011100…
…000101110011000111100
312202220001012110100220211
4113232223200232120330
5203204103020301430
63245041451122204
7225545345022331
oct27565340563074
95686035410824
101630670087740
11579621831341
12224050143364
13baa05086455
1458cd3b24988
152c63de7272a
hex17bab82e63c

1630670087740 has 96 divisors (see below), whose sum is σ = 3689288064000. Its totient is φ = 603433297152.

The previous prime is 1630670087737. The next prime is 1630670087749. The reversal of 1630670087740 is 477800760361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630670087749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102427501 + ... + 102443419.

It is an arithmetic number, because the mean of its divisors is an integer number (38430084000).

Almost surely, 21630670087740 is an apocalyptic number.

1630670087740 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 1630670087740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844644032000).

1630670087740 is an abundant number, since it is smaller than the sum of its proper divisors (2058617976260).

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

1630670087740 is a wasteful number, since it uses less digits than its factorization.

1630670087740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22259 (or 22257 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 1630670087740 in words is "one trillion, six hundred thirty billion, six hundred seventy million, eighty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 43 76 86 95 172 190 215 380 430 817 860 1634 3268 4085 6269 8170 12538 15919 16340 25076 31345 31838 62690 63676 79595 119111 125380 159190 238222 269567 302461 318380 476444 539134 595555 604922 684517 1078268 1191110 1209844 1347835 1369034 1512305 2382220 2695670 2738068 3024610 3422585 5121773 5391340 6049220 6845170 10243546 13005823 13690340 20487092 25608865 26011646 51217730 52023292 65029115 99796211 102435460 130058230 199592422 260116460 399184844 498981055 997962110 1896128009 1995924220 3792256018 4291237073 7584512036 8582474146 9480640045 17164948292 18961280090 21456185365 37922560180 42912370730 81533504387 85824741460 163067008774 326134017548 407667521935 815335043870 1630670087740