Search a number
-
+
1552071507390 = 2325126191366609
BaseRepresentation
bin10110100101011110101…
…010111011110110111110
312111101011112100210021100
4112211132222323312332
5200412120301214030
63145002314513530
7220063531065315
oct26453652736676
95441145323240
101552071507390
115492589a3618
122109757358a6
13b348a3a9341
145519914b27c
152a58da29360
hex1695eabbdbe

1552071507390 has 48 divisors (see below), whose sum is σ = 4035708658800. Its totient is φ = 413852633856.

The previous prime is 1552071507359. The next prime is 1552071507397. The reversal of 1552071507390 is 937051702551.

1552071507390 is a `hidden beast` number, since 1 + 5 + 5 + 207 + 1 + 50 + 7 + 390 = 666.

It is a super-2 number, since 2×15520715073902 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552071507397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452406 + ... + 1819014.

It is an arithmetic number, because the mean of its divisors is an integer number (84077263725).

Almost surely, 21552071507390 is an apocalyptic number.

1552071507390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1552071507390 is an abundant number, since it is smaller than the sum of its proper divisors (2483637151410).

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

1552071507390 is a wasteful number, since it uses less digits than its factorization.

1552071507390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379241 (or 1379238 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 45.

The spelling of 1552071507390 in words is "one trillion, five hundred fifty-two billion, seventy-one million, five hundred seven thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 12619 25238 37857 63095 75714 113571 126190 189285 227142 378570 567855 1135710 1366609 2733218 4099827 6833045 8199654 12299481 13666090 20499135 24598962 40998270 61497405 122994810 17245238971 34490477942 51735716913 86226194855 103471433826 155207150739 172452389710 258678584565 310414301478 517357169130 776035753695 1552071507390