Search a number
-
+
309413941430 = 251179149923753
BaseRepresentation
bin1001000000010101000…
…00100001000010110110
31002120122120220210122112
410200022200201002312
520032134432111210
6354050502331022
731232365051616
oct4401240410266
91076576823575
10309413941430
1110a249115890
124bb72129a72
1323240292059
1410d9350aa46
1580adda4d05
hex480a8210b6

309413941430 has 64 divisors (see below), whose sum is σ = 615703680000. Its totient is φ = 111011147520.

The previous prime is 309413941429. The next prime is 309413941561. The reversal of 309413941430 is 34149314903.

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 31 ways as a sum of consecutive naturals, for example, 13014434 + ... + 13038186.

It is an arithmetic number, because the mean of its divisors is an integer number (9620370000).

Almost surely, 2309413941430 is an apocalyptic number.

309413941430 is a deficient number, since it is larger than the sum of its proper divisors (306289738570).

309413941430 is a wasteful number, since it uses less digits than its factorization.

309413941430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349.

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 309413941430 in words is "three hundred nine billion, four hundred thirteen million, nine hundred forty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 79 110 158 395 790 869 1499 1738 2998 4345 7495 8690 14990 16489 23753 32978 47506 82445 118421 118765 164890 236842 237530 261283 522566 592105 1184210 1302631 1306415 1876487 2605262 2612830 3752974 6513155 9382435 13026310 18764870 20641357 35605747 41282714 71211494 103206785 178028735 206413570 356057470 391663217 783326434 1958316085 2812854013 3916632170 5625708026 14064270065 28128540130 30941394143 61882788286 154706970715 309413941430