Search a number
-
+
1237135947190 = 251113865130033
BaseRepresentation
bin10010000000001011000…
…011000111010110110110
311101021021010112200121221
4102000023003013112312
5130232123300302230
62344155444500554
7155244245021443
oct22001303072666
94337233480557
101237135947190
11437736a98940
1217b9223aa75a
138c87a1a4460
1443c4059a9ca
15222aa03427a
hex1200b0c75b6

1237135947190 has 32 divisors (see below), whose sum is σ = 2616153222816. Its totient is φ = 415262415360.

The previous prime is 1237135947127. The next prime is 1237135947233. The reversal of 1237135947190 is 917495317321.

It is a happy number.

It is a super-2 number, since 2×12371359471902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432563587 + ... + 432566446.

It is an arithmetic number, because the mean of its divisors is an integer number (81754788213).

Almost surely, 21237135947190 is an apocalyptic number.

1237135947190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1237135947190 is an abundant number, since it is smaller than the sum of its proper divisors (1379017275626).

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

1237135947190 is a wasteful number, since it uses less digits than its factorization.

1237135947190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865130064.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 1237135947190 in words is "one trillion, two hundred thirty-seven billion, one hundred thirty-five million, nine hundred forty-seven thousand, one hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 865130033 1730260066 4325650165 8651300330 9516430363 11246690429 19032860726 22493380858 47582151815 56233452145 95164303630 112466904290 123713594719 247427189438 618567973595 1237135947190