Search a number
-
+
155452015027430 = 25115373365262377
BaseRepresentation
bin100011010110000111111110…
…001000101010010011100110
3202101102001211012121110102222
4203112013332020222103212
5130333411211321334210
61310341400403232342
744513015563643042
oct4326077610522346
9671361735543388
10155452015027430
11455939139480a0
12155277853786b2
1368980a6617544
142a55cbc143022
1512e89e4c6e655
hex8d61fe22a4e6

155452015027430 has 64 divisors (see below), whose sum is σ = 315271107897408. Its totient is φ = 54701693429760.

The previous prime is 155452015027409. The next prime is 155452015027457. The reversal of 155452015027430 is 34720510254551.

155452015027430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 182205599 + ... + 183056778.

It is an arithmetic number, because the mean of its divisors is an integer number (4926111060897).

Almost surely, 2155452015027430 is an apocalyptic number.

155452015027430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155452015027430 is an abundant number, since it is smaller than the sum of its proper divisors (159819092869978).

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

155452015027430 is a wasteful number, since it uses less digits than its factorization.

155452015027430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365262521.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 155452015027430 in words is "one hundred fifty-five trillion, four hundred fifty-two billion, fifteen million, twenty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 53 55 73 106 110 146 265 365 530 583 730 803 1166 1606 2915 3869 4015 5830 7738 8030 19345 38690 42559 85118 212795 425590 365262377 730524754 1826311885 3652623770 4017886147 8035772294 19358905981 20089430735 26664153521 38717811962 40178861470 53328307042 96794529905 133320767605 193589059810 212947965791 266641535210 293305688731 425895931582 586611377462 1064739828955 1413200136613 1466528443655 2129479657910 2826400273226 2933056887310 7066000683065 14132001366130 15545201502743 31090403005486 77726007513715 155452015027430