Search a number
-
+
12970900404 = 22327112425387
BaseRepresentation
bin11000001010010000…
…00011101110110100
31020110222001000022200
430011020003232310
5203031022303104
65543031224500
7636300556110
oct140510035664
936428030280
1012970900404
11555680a500
12261bb18130
1312b93537c7
148b0952740
1550db04b39
hex305203bb4

12970900404 has 108 divisors (see below), whose sum is σ = 41187767712. Its totient is φ = 3369057120.

The previous prime is 12970900379. The next prime is 12970900409. The reversal of 12970900404 is 40400907921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12970900409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 182202 + ... + 243185.

Almost surely, 212970900404 is an apocalyptic number.

12970900404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12970900404 is an abundant number, since it is smaller than the sum of its proper divisors (28216867308).

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

12970900404 is a wasteful number, since it uses less digits than its factorization.

12970900404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425426 (or 425410 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 12970900404 in words is "twelve billion, nine hundred seventy million, nine hundred thousand, four hundred four".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 121 126 132 154 198 231 242 252 308 363 396 462 484 693 726 847 924 1089 1386 1452 1694 2178 2541 2772 3388 4356 5082 7623 10164 15246 30492 425387 850774 1276161 1701548 2552322 2977709 3828483 4679257 5104644 5955418 7656966 8933127 9358514 11910836 14037771 15313932 17866254 18717028 26799381 28075542 32754799 35732508 42113313 51471827 53598762 56151084 65509598 84226626 98264397 102943654 107197524 131019196 154415481 168453252 196528794 205887308 294793191 308830962 360302789 393057588 463246443 589586382 617661924 720605578 926492886 1080908367 1179172764 1441211156 1852985772 2161816734 3242725101 4323633468 6485450202 12970900404