Search a number
-
+
248938152395076 = 22362921812
BaseRepresentation
bin111000100110100001101110…
…001001010000000101000100
31012122102020212212012001000000
4320212201232021100011010
5230112100314003120301
62241240335231321300
7103302121324233624
oct7046415611200504
91178366785161000
10248938152395076
117235709424a571
1223b05a6b680230
13a8b99c826bba1
144568956bc6884
151dba6bc926786
hexe2686e250144

248938152395076 has 63 divisors (see below), whose sum is σ = 653166091442893. Its totient is φ = 82979100131760.

The previous prime is 248938152395063. The next prime is 248938152395113. The reversal of 248938152395076 is 670593251839842.

The square root of 248938152395076 is 15777774.

It is a perfect power (a square), and thus also a powerful number.

248938152395076 is a `hidden beast` number, since 2 + 4 + 8 + 9 + 3 + 8 + 1 + 523 + 95 + 0 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13910856035076 + 235027296360000 = 3729726^2 + 15330600^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248938152394995 and 248938152395013.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 851853706 + ... + 852145886.

It is a 2-persistent number, because it is pandigital, and so is 2⋅248938152395076 = 497876304790152, but 3⋅248938152395076 = 746814457185228 is not.

Almost surely, 2248938152395076 is an apocalyptic number.

248938152395076 is the 15777774-th square number.

It is an amenable number.

248938152395076 is an abundant number, since it is smaller than the sum of its proper divisors (404227939047817).

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

248938152395076 is an frugal number, since it uses more digits than its factorization.

248938152395076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584384 (or 292186 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 72.

The spelling of 248938152395076 in words is "two hundred forty-eight trillion, nine hundred thirty-eight billion, one hundred fifty-two million, three hundred ninety-five thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2916 292181 584362 876543 1168724 1753086 2629629 3506172 5259258 7888887 10518516 15777774 23666661 31555548 47333322 70999983 94666644 141999966 212999949 283999932 425999898 851999796 85369736761 170739473522 256109210283 341478947044 512218420566 768327630849 1024436841132 1536655261698 2304982892547 3073310523396 4609965785094 6914948677641 9219931570188 13829897355282 20744846032923 27659794710564 41489692065846 62234538098769 82979384131692 124469076197538 248938152395076